# 10 Best Article Annotation Tools for Researchers and Students

> Struggling to find high-quality annotation tools? Check out our list of 10 advanced article tools, making annotations easy for researchers and students!

- Author: Web Highlights
- Published: 2024-08-12
- Updated: 2026-04-04
- Tags: Research, Tools
- Reading time: 16 min
- URL: https://web-highlights.com/blog/article-annotation-tools-for-researchers-and-students/

---

Keeping track of digital information can be a real challenge, especially for researchers and students. Highlighting important details, making notes, and staying organized are important for managing your workload effectively.

The good news? There are plenty of tools designed to make your reading and note-taking process smoother and more efficient. But with so many options available, how do you choose the best one for your needs?

In this blog post, we’ll introduce you to the top 10 article annotation tools that are perfect for anyone working digitally. Let’s find the one that fits your style and makes your academic journey a little easier by saving you time!

## **List of the 10 Best Article Annotation Tools**

1.  [Web Highlights](https://chromewebstore.google.com/detail/web-highlights-pdf-web-hi/hldjnlbobkdkghfidgoecgmklcemanhm) 
2.  Annotate
3.  Helperbird
4.  Scrible
5.  Spade
6.  NoteLedge 
7.  [Diigo](https://tooltivity.com/extensions/diigo-web-collector)
8.  Hypotheses.is 
9.  Zoho Annotator
10.  Super Annotate 

## [**1\. Web Highlights**](https://chromewebstore.google.com/detail/web-highlights-pdf-web-hi/hldjnlbobkdkghfidgoecgmklcemanhm)

![Web Highlights](https://lh7-rt.googleusercontent.com/docsz/AD_4nXewK7QjwsMyDZNg-q9t-lVauLSvib_cccUUYBHJXDQMWnRf2_MMgbxRGuoj7kNFCctOdx08FgKm7xTEI9SUo9s0rd1cQt3RaILlODlkXE6Uc_9YQf_3b9FRfa2E1XO4702UT62WKdH4m1xDJAm1uMo8Xlc?key=xwEWfTbF6gY8RbdGuR5g8Q)

[Web Highlights](https://web-highlights.com/) is one of the best article annotation tools you can find out there! Whether you want to improve your note taking as a student or a researcher highlighting relevant information from a browser, this tool has all the features you need. 

Web Highlights makes your [learning experience](https://web-highlights.com/blog/tag/learning/) interesting by adding vibrant colors and bookmarks to your research article, PDFs, and Web pages. With its intuitive features, making annotations is extremely easy and quick. 

> [**Guide to Using Web Highlights for Online Text & Notes**](https://web-highlights.com/blog/how-to-use-web-highlights-to-highlight-text-take-notes-on-the-internet/) — Boost your productivity with Web Highlights. With the pdf & web highlighter, you can highlight on the internet just like you do it in books. (Marius Bongarts)

### **Features of Web Highlights**

-   Annotate any website or PDF
-   Create tags and make notes
-   Unlimited offline highlights
-   [Easy export to different platforms](https://web-highlights.com/blog/how-to-export-highlights-to-notion-with-one-click/) 
-   [Flashcards](https://web-highlights.com/blog/spaced-repetition-how-to-make-your-readings-stick-in-long-term-memory/)
-   [Export to different formats](https://web-highlights.com/blog/how-to-export-your-kindle-highlights-and-notes-to-notion/)
-   [Email reminders](https://web-highlights.com/blog/say-goodbye-to-forgotten-articles-introducing-the-snooze-reminder/)
-   [Import Kindle notes and highlights](https://web-highlights.com/blog/supercharge-your-learning-convert-kindle-highlights-into-instant-study-flashcards/) 
-   Unlimited offline bookmarks
-   Keyboard shortcuts 
-   [Learning recap](https://web-highlights.com/blog/supercharge-your-learning-convert-kindle-highlights-into-instant-study-flashcards/) (10 per day)
-   Powerful full-text search
-   [Easy Installation](https://web-highlights.com/blog/welcome/)

### **Top 3 Features of Web Highlights** 

#### **1\. Extensive Highlighting Features** 

![Extensive Highlighting Features](https://lh7-rt.googleusercontent.com/docsz/AD_4nXcjlsLxqjgOpZP75dVGL4ilqzCg7KRHPUVzbVjViCgVDgzWgy_vG10v3LuAsiA3PjuqSX8u_fGda8izyBvTgIXqAYCdH17Um9sgkdruQKNxdqkQsMZSI3b7JN03ACaEA6dswrY8zt67fi6MeVjlfDkVk6Fl?key=xwEWfTbF6gY8RbdGuR5g8Q)

From Kindle books to PDFs, Web Highlights lets you highlight everything with ease using its extensive features. You can choose from a wide range of colors, and the sidebar makes it simple to keep track of all your highlights.

#### **2\. Easy Storing And Sharing** 

![Easy Storing And Sharing](https://lh7-rt.googleusercontent.com/docsz/AD_4nXfLPbLy1zScArfIAwXpwr-mAtbbzQOdBuuFsYSOzUzfS8q2PHnvE0jMg6lNa5rCoryvgbS5Ue4H1Dhsw8yZnx5imFXEeae0Q3vS2pSCAmcuY5VwMI10errsvbMcVVu_XFVAn8hGwqleMnWk2LLmcuSJ_D0?key=xwEWfTbF6gY8RbdGuR5g8Q)

Share and save all your annotations with just one click using the Web Highlights tool. Web Highlights lets you export your annotations and markups into multiple formats, such as PDF and HTML, and to various platforms, including Notion, Obsidian, and Kindle. It also allows you to share them via email.

#### **3\. Adding Tags and Notes** 

![Adding Tags and Notes](https://lh7-rt.googleusercontent.com/docsz/AD_4nXc4ij31FjBaTIE3EgJpT4X95JgmEHUDq3TAFgzLIafTjkuraVW2lyu4YEqdPWdg8mmuO8gmii5BA0YQGol8-nMsWQdOHPMW_QZLSZo0FMeUdK7_j4EdoVbMjP-LEuT6hw7pfgYZmaZ3szRWgjMEfjavTz5i?key=xwEWfTbF6gY8RbdGuR5g8Q)

Write notes, add tags, and quotes on any webpage or PDF document as you highlight. Tagging helps you keep track of all the important information and notes that you can easily access later on. 

By making notes or tags you can group relevant important information to save time and stay organized in your research or assignments. 

### **Pros of Web Highlights** 

-   Excellent free version with numerous features
-   Easily accessible from any device 
-   Offline access to multiple features 
-   Easy sync through all devices
-   Supports multiple exporting formats
-   Great tagging system

### **Cons of Web Highlights**

-   No folders, just tags
-   Loading large PDFs takes long

### **Pricing of Web Highlights**

Web Highlights offers the following  [pricing plans](https://web-highlights.com/pricing)  :

-   **Basic:**  Free
-   **Premium**  and  **Ultimate**  plans available. See current prices at  [web-highlights.com/pricing](https://web-highlights.com/pricing) .

### **Customer Support Options of Web Highlights** 

-   [Blogs](https://web-highlights.com/blog/)
-   [FAQs](https://web-highlights.com/blog/faq-web-highlights-pdf-web-highlighter/)
-   Email support
-   [Tutorials](https://web-highlights.com/blog/tag/faq/)

### **Final Verdict on Web Highlights** 

Web Highlights is an easy-to-use annotation tool that can be downloaded directly through the [Chrome web store](https://chromewebstore.google.com/detail/web-highlights-pdf-web-hi/hldjnlbobkdkghfidgoecgmklcemanhm) and [Microsoft Edge Add-ons](https://microsoftedge.microsoft.com/addons/detail/web-highlights-pdf-we/ghdpaajjhmlfkogblgeibaabcpjfgldn) . Its unique features include rapid access through a Chrome or Microsoft Edge extension and easy integration with platforms such as Notion and Capacities. 

It is the perfect solution for all your annotation challenges! Its user-friendly interface makes it the best choice for students and researchers. 

> [**Web Highlights - PDF & Web Highlighter - Chrome Web Store**](https://chromewebstore.google.com/detail/web-highlights-pdf-web-hi/hldjnlbobkdkghfidgoecgmklcemanhm) — Productivity Highlighter for any Website or PDF. Free and easy to use without signing up.

## **2\. Annotate**

![Annotate](https://lh7-rt.googleusercontent.com/docsz/AD_4nXdLAdPNBR1UVRD5cLa2n91tOZjBYqlz6uOkWh3_lSPIhqyIWfS_K-uLqzY7HB0Q4n0vE2zIkSjZb7CFxWGNK-2s1zJIhuTKikEksrqJM50i9-B6cZLk-m2B7a9jAZfH9rRGgKAGduyu2tK6GOHVLp6bia0g?key=xwEWfTbF6gY8RbdGuR5g8Q)

[Annotate](https://www.annotate.com/) is a powerful article annotation tool that allows users to make changes to all their text and image content. It's an excellent choice for researchers and students who want help with their academic projects.

It allows teams of researchers or classmates to work together on the same document to save time and stay organized. 

### **Features of Annotate**

-   Document drafts
-   Multiple tags
-   Document management 
-   In-document collaboration
-   Easy integration
-   Freehand notes and side notes

### **Top 3 Features of Annotate**

#### **1\. Multiple Tags Category**

![Multiple Tags Category](https://lh7-rt.googleusercontent.com/docsz/AD_4nXe6wzL90v3CnBYyt2BY-oY3wFsoi__goHaArjjPtkpDXwe_jqEZxR_8zYd-tHrBsi7SEhyo3M_HnZaDSqWwFrhfdypwVVZHbvuAbLacm0ZFIi8WgoKwejQNCBw-mDi3VhH4ILTUjlOiZGbp87PgtPjUkn0k?key=xwEWfTbF6gY8RbdGuR5g8Q)

Add different tags to your documents and annotations you have made. This helps you track and easily find your annotations again. 

#### **2\. Annotations And Side Notes**

![Annotations And Side Notes](https://lh7-rt.googleusercontent.com/docsz/AD_4nXd22bGWKMSXM9XwiW9zTrkqZ1FfqI4mjcAQlu792AW44P2VW75GuVUCoORplvIR_2UBr8fji7O8k4Q7IJ7-RRRBuLsKH_PTAWFou3RxJBvvSpmVMDaR4vdg0-79zmnhs4RrYTeQYTUX_aq2Z5anZkBBnC8-?key=xwEWfTbF6gY8RbdGuR5g8Q)

Easily highlight, underline, or mark your documents while also being able to add side comments for better collaboration and understanding.

#### **3\. Document Management** 

![Document Management](https://lh7-rt.googleusercontent.com/docsz/AD_4nXfUIO8v7YZapUI8ZYDC-5kHq4gpwIOiQTDzL0M94PtW0KsMRe68Oxp-pagsIg4Ig5teJ5ZePw2ugjIVfHOXpnkVcA-kKp-eTmY09rG3IFfxRCl_WzxY4KteMJAVDrsD-aHNe5UxNEw9zmMawKWtsZXZWHJF?key=xwEWfTbF6gY8RbdGuR5g8Q)

Annotate allows you to save all your documents in a single Annotate workspace so that you can easily access them from any device at any time. 

### **Pros of Annotate**

-   Excellent for team collaboration
-   Security compliance 
-   Easy interface 

### **Cons of Annotate**

-   Basic features compared to other tools 
-   Limited free plan

### **Pricing of Annotate**

Annotate offers the following pricing plans:

-   Free plan for up to 3 users
-   **Standard:** contact sales team - for a minimum of 3 users with limited advanced features 
-   **Enterprise:** contact sales team - all features and unlimited storage

### **Customer Support Options of Annotate**

-   Email support
-   Demo Videos
-   Article Guides

### **Final Verdict on Annotate**

Annotate is a diverse annotation tool that can help you collaborate with your team through annotations. It supports different document types and has different tools to cater to your annotation requirements and improve your annotation process. 

## **3\. Helperbird**

![Helperbird](https://lh7-rt.googleusercontent.com/docsz/AD_4nXfQ3oUQvu9u02izBmxRAuAlkuDlufMlUDRubKh1FvVkPeQej53pnSqoxrhgUmGrJUH6DX7s_r5yC1A49zz_nBYs5XlEwNZxog6xfN87xQFe_aUVGZD0fszIslCJLRkDQm6_BT7sk3CHM-FY1YQgse9Fj8t3?key=xwEWfTbF6gY8RbdGuR5g8Q)

With multiple article annotation features, [Helperbird](https://www.helperbird.com/features/annotation/) is a powerful tool that is great for students and researchers. It allows you to annotate designs and notes easily on multiple document types and websites.

It allows you to draw, highlight, and customize fonts for your notes to make them organized and visually appealing. 

### **Features of Helperbird**

-   Custom annotation colors
-   Customizable font types and sizes
-   Dyslexia ruler
-   Customize paragraphs
-   Text alignment 

### **Top 3 Features of Helperbird**

#### **1\. Multiple Font Types**

![Multiple Font Types](https://lh7-rt.googleusercontent.com/docsz/AD_4nXfxRXzlFFN6PSsLykGZFQ9Vf4LL-PLLtT0ZxUAosIv0uKvUBb96KJTum4CeP3prWSZG0hfeG87_pz0p_2bt3SbfagRsNbwym7Xa6ZD8WnMY-46KwlIIhJLs0E8QApHr-SdtqAXJiPrSztUfjB08SiHyLQdt?key=xwEWfTbF6gY8RbdGuR5g8Q)

Helperbird offers different types of fonts that you can change on your website and in your files. This helps increase focus and improve readability for researchers and students. 

#### **2\. Dyslexia Ruler**

![Dyslexia Ruler](https://lh7-rt.googleusercontent.com/docsz/AD_4nXdJkcTKWO1ckSxdmNgGx38uqiMm1MA20xp3NACi9J12rWa8dEwWdgZcR6vWlPiCRTfGmlA8NcMW8CecPPUdLWI53ji6Kb-bZXZ2-FEya-GMZsxkgdGaq7kKbO_1awLneRjr5r1aKRLIGaa5NNJgVwgtt0D-?key=xwEWfTbF6gY8RbdGuR5g8Q)

With Helperbird, you can place a dyslexia ruler to highlight your notes in multiple colors, being able to improve your focus and reduce distractions. 

#### **3\. Customize Colors**

![Customize Colors](https://lh7-rt.googleusercontent.com/docsz/AD_4nXckUcvRjje7LOz4WMZbNTNOCHDmTP03RQnpNgs4r_WFMf460AdDdmC5vB8W30hgE2_GU8qNs9GY712jScm1Leck_7-hEsLriQr04sy7RhbgSzpS69-hcn9VxsF9S9Z-DttZ6DYsddP9i_PqH5dNFc1kUHF6?key=xwEWfTbF6gY8RbdGuR5g8Q)

Easily adjust font, background, and link colors in your files and websites to have a better reading and note-taking experience.  

### **Pros of Helperbird**

-   Most annotation features are available for free
-   Extensive reading features
-   Extensive color features

### **Cons of Helperbird**

-   Complex interface
-   Browser glitches

### **Pricing of Helperbird**

Helperbird offers the following pricing plans:

-   Free 
-   **Helperbird Pro:** $3.50 /per month
-   **Pro Unlimited (for schools and businesses):** $129.99 /per month
-   **Pro Unlimited+ (for enterprises and districts):** Contact sales team

### **Customer Support Options of Helperbird**

-   Email Support
-   Help guides
-   Tutorials

### **Final Verdict on Helperbird**

Helperbird is a great tool for anyone who constantly deals with documents and files. Its wide range of features and customization options make it a top choice for any student or researcher. 

## **4\. Scrible** 

![Scrible](https://lh7-rt.googleusercontent.com/docsz/AD_4nXd9LghpyMAZrFd0Ob8BU20VKBOK2KFvye6X5fstfgNYLSxfoYGMXVK2hTMFxdQyJOhUSpSE43GFl1Q69zIErSpjEAQz8nW9-D0K3VY0YoXLlMg5i6gzP-7x22eQqM_O-oH4nFYVXMPwBq6Qh25wmPhOLPw?key=xwEWfTbF6gY8RbdGuR5g8Q)

[Scribble](https://www.scrible.com/) is an extensive article annotation tool specifically designed for students, researchers, and educators. It makes your research process more optimized and collaborative by allowing you to save, annotate, and organize PDFs and web pages.

### **Features of Scrible** 

-   Store files in the cloud
-   Annotation tags
-   Bookmarks
-   Direct comments on web pages
-   Drag and drop annotations 

### **Top 3 Features of Scrible** 

#### **1\. Cloud Saving**

![Cloud Saving](https://lh7-rt.googleusercontent.com/docsz/AD_4nXe2bWxjbNRQNno6pUcXwJIiqi0me55v4DhL90v6vLUCLAM8w6C3J4vJAz0ZeJHnkwkXn8U8TXV8o-PS00HesQKEfpdPu0aB9R4YBpEztf-1ngcSv3KHML11EcrNkYoajE3YcFWAxKqfFMnxUbmmX5o8Lbk?key=xwEWfTbF6gY8RbdGuR5g8Q)

Scrible saves multiple file types including websites and databases instantly to your cloud library, so you do not lose track of important information sources. 

#### **2\. Real-time Annotations**

![Real-time Annotations](https://lh7-rt.googleusercontent.com/docsz/AD_4nXf-PX-DlDtE5CUNW5bTOqb3-HmWS1wYZPVgLheMvdKliBgMOUzuHaPbTYzK4OEaZTsv0duKhBcsV5VUGxqzWAlADqkRtyf77GZh7vUo2XfFtbGcP9kOGuHDRdGAyvv3LtE9dWYUpK-SQFzoUizMGrDrM-Q?key=xwEWfTbF6gY8RbdGuR5g8Q)

With Scrible, you can add annotations directly to your web pages while also being able to share comments with your team members.

#### **3\. Text Search Tags**

![Text Search Tags](https://lh7-rt.googleusercontent.com/docsz/AD_4nXcManXnoz59z-Z07LYE-RmP5_7xCTYpJ2kIfpBoGhljJ4IJ72LEtDA9u-_U1yc-Y8F9etHj2swYe9MJ5e6yua4Gwd0q_bEOXdSZNpxqspBUBng2T9Xc5xShz4M1gwaMqeH9U9zyQ2wIMi_FGNqnR0Tkglk?key=xwEWfTbF6gY8RbdGuR5g8Q)

You can add text search tags to your files and documents, to find important information later on. This helps save time and keeps your content organized.

### **Pros of Scrible** 

-   Easy collaboration 
-   Easy to use 
-   Allows you to bookmark websites 

### **Cons of Scrible** 

-   Regularly times out
-   Advanced features available in premium only
-   One-time payments are not feasible for everyone 

### **Pricing of Scrible**

Scrible offers the following pricing plans:

-   **Basic:** Free
-   **Edu:** Free - for K12 users only
-   **Edu Pro Student:** $35/year USD, $20/ 6 months, $12/ 3 months
-   **Edu Pro Teacher:**  $119.99/year, $69.99/ 6 months

### **Customer Support Options of Scrible** 

-   FAQs 
-   Email support
-   Online demos

### **Final Verdict on Scrible** 

Scrible is a highly useful tool, especially for academic study and research, because it records thorough annotations and allows you to highlight and comment on online articles.

The free plans have limited storage but have all the basic features that a student or researcher needs for their articles and research papers.

## **5\. Spade**

![Spade](https://lh7-rt.googleusercontent.com/docsz/AD_4nXdnTZCszs23RZOgVY67dGCygDuh_LOrFB4R_4tSuQb7Rq-cagbtR4v3bGpZT06W2OzL_YAcpQXH8V4_Y5TYD8emmmhPtE1LxuwYALYK78Iafg-00GpaUacslcys5bGNGkE7Jh_KIhRTOdamOwlZPl7bdkHS?key=xwEWfTbF6gY8RbdGuR5g8Q)

[Spade](https://spade.tools/) is another annotation tool that allows easy marking on websites and web pages. It creates a toolbar for you with multiple features to support different annotate types, which helps students and researchers save time spent searching for different features. 

This tool offers on-page collaboration with shareable annotation links for better collaboration. 

### **Features of Spade**

-   Note-taking
-   Download and share annotated files
-   Pen highlighter 
-   Text boxes
-   Keyboard shortcuts

### **Top 3 Features of Spade**

#### **1\. Web Annotations** 

![Web Annotations](https://lh7-rt.googleusercontent.com/docsz/AD_4nXeigrb2vdlcj80Xvvq8pACN4k4Fri3ZHKfZqPG3DKWb_1kG71vmwBAr1aIOoP6FZg83y-pFwOtq4o35YhIS-H1fauFM1KUnMD_hxvhJIgPxhjAn4SLPf7ywQPNBEmN8U1BhuRkLtozyS7q1nOEND3vQAA?key=xwEWfTbF6gY8RbdGuR5g8Q)

Easily annotate websites as you scroll through for information in your articles. Draw shapes, add highlights, and comments with Spade. 

#### **2\. Work on PDFs**

![Work on PDFs](https://lh7-rt.googleusercontent.com/docsz/AD_4nXeiKrM6sCbJS3yZy2FuYZvdvwF4L-8t7h9ENaPpPev5SbklS-sKrfuy_iFT4HG14mGEEzNKyZoIWNo9PvdOHpHg7IuKJro4UlgvIm1K4Lj1OZxER5AzMtKOoSxYBgQ0giAzez69QC1zaq78p5FdIMK5zQo?key=xwEWfTbF6gY8RbdGuR5g8Q)

With Spade’s toolbar, you can add pen annotations freely along with shapes to highlight important notes and information. 

#### **3\. Keyboard Shortcuts**

![Keyboard Shortcuts](https://lh7-rt.googleusercontent.com/docsz/AD_4nXdtnPerE2deyktAXX2P3lnO7ExgZ1O1pB6uPrYlVDc0Cqr5MbuJ8jcokKy7vgsHk7xOt-jiZf05e4A_xo7KbW7AZpSr7xLw4G9w7fuu_2Hul7FShUGg7-gqaZ6VVYaIsLQiZwHhaL_RzJt-3Wnn7oyHYd9Y?key=xwEWfTbF6gY8RbdGuR5g8Q)

Spade has keyboard shortcuts that allow you to switch between tools, and also undo or redo your annotations. This saves time and helps make your annotation process more smooth. 

### **Pros of Spade**

-   Easy-to-install tool
-   Easy to use
-   Keeps data secure 

### **Cons of Spade**

-   Delayed support responsiveness
-   Basic features compared to other tools
-   Limited usage help available online

### **Pricing of Spade**

-   Free extension 

### **Customer Support Options of Spade**

-   Web support 
-   Online blogs

### **Final Verdict on Spade**

With Spade, you can share and link ideas, information, and inspiration with annotations on any website. Annotations are arranged in folders and saved to the cloud, where they can be easily shared with other team members.

## **6\. NoteLedge**

![NoteLedge](https://lh7-rt.googleusercontent.com/docsz/AD_4nXeJlwiuZsm6tgsiB6nuLgboJfc1y1k94Bn-o5dnHVcaQUJJtAxLBUdpIGZKefWGnGV_PLxMQtSfazy6mZGIu_R4vj9O8Cxgw9pzXDANLnqHeZihDA6DfkGmtv4kJNJz0psURDL_Wxu_9s9H53wL7cPOpuo?key=xwEWfTbF6gY8RbdGuR5g8Q)

[NoteLedge](https://www.kdan.com/noteledge) is a free note-taking app that allows for easy article annotation. This tool is perfect for students and researchers who want to organize their notes and annotations while also keeping track of important stuff.  

With this article annotation tool, you can highlight, take notes, and add mockups to your article. 

### **Features of NoteLedge** 

-   Content Organization
-   Easy Sketches 
-   Real-time collaboration
-   Note-taking 

### **Top 3 Features of NoteLedge**

#### **1\. Note-taking**

![Note-taking](https://lh7-rt.googleusercontent.com/docsz/AD_4nXe4Cs-Qu98px56x_Hai7EysTkFusOD36_wqgxrVfNg6kd4uEv-Rud5vKDERBOT54t6Qk5zIQd9Hzsa-7BRW0keAZ1wYINgAgie1G9O1TGethd0Illj_bET9yF5zyo0-wJtuX5XaXkQ8x_L5J1hc9pIMWVA?key=xwEWfTbF6gY8RbdGuR5g8Q)

Integrate text, videos, audio clips, and image annotation tools into your notes to make your study and research materials engaging. 

#### **2\. Freehand Writing Notes** 

![Freehand Writing Notes](https://lh7-rt.googleusercontent.com/docsz/AD_4nXcB4rfbak1En8eO5pKX6CpUgtoTAX2NJ91DkIjUpuany-v50l1lMfY12luJUS_TsSFAN0L_4FQV6LdZuvDQqY105RNxCKVYJhQPfO8g0y1X-fMtIERPD0QrOj7slLQXXdSHV2SS3JH2EGOQ2EPTC-HXL-aW?key=xwEWfTbF6gY8RbdGuR5g8Q)

You can write notes with your hands or a digital pen while being able to customize the fonts and colors of your text.  

#### **3\. Content Organization** 

![Content Organization](https://lh7-rt.googleusercontent.com/docsz/AD_4nXcqC4GMVpaJRFh4TcAshlBUvz5JgwITE7asTOfMiwp-fJR8AC6SpqJqb6XIo1b6WQroBaayXsK4tDKPHT8sNLtPSQ0JVmbr5fTVsWWvBD1tKtyPP7U38mp1cyseZiLbz7C_A38yP6s9TpPEZQcKsT62Prkf?key=xwEWfTbF6gY8RbdGuR5g8Q)

Organize your PDFs, articles, and other contents easily with NoteLedge’s style boards, annotations, and highlighting features. This will help you brainstorm ideas and key takeaways from your article. 

### **Pros of NoteLedge**

-   Multiple note-taking features
-   User-friendly interface
-   Aesthetic features

### **Cons of NoteLedge** 

-   Limited free version
-   Complex usage 
-   Advanced features available in the paid plan only

### **Pricing of NoteLedge**

NoteLedge offers the following pricing plans:

-   Free plan 
-   **Pro Plan:** $2.49 per month 
-   **Creativity 365:** $4.99 per month

### **Customer Support Options of NoteLedge** 

-   Email support
-   Web support

### **Final Verdict on NoteLedge**

NoteLedge is a powerful tool for those who want more than just text annotation. Its multi-media capabilities make it a great choice for students and researchers to take notes and make webpage annotations. 

## **7.** [**Diigo**](https://tooltivity.com/extensions/diigo-web-collector)  

![Diigo](https://lh7-rt.googleusercontent.com/docsz/AD_4nXeO0djFhREyvCR9OSEcBprTVnPCQTOr9Jjyxx1I8ClK244aFb58nTtusOK3Eo-SjsEaa8Y8sD22E3PrnLMFqODK7Q6iNOoMA_r1omVRIi2FG7dEcqQj37IFxsNvWqAugq5n0W6pfSB9JV253ToHcRKBu3TS?key=xwEWfTbF6gY8RbdGuR5g8Q)

[Diigo](https://tooltivity.com/extensions/diigo-web-collector) is a powerful research and knowledge-sharing annotation tool that helps you bookmark, annotate, and arrange your online files or websites. 

It is perfect for students and researchers who want to keep their digital resources organized and easily accessible.

### **Features of Diigo**

-   Highlights and sticky notes on web pages
-   Bookmarks 
-   Tags for content organization
-   Easy sharing of annotations
-   Customizable outliners

### **Top 3 Features of Diigo**

#### **1\. Easy Bookmarking** 

![Easy Bookmarking](https://lh7-rt.googleusercontent.com/docsz/AD_4nXdPaJ0SKG-CuVaQNe6lND3NCP-bbJ9olvLjojQFjzmbMdmRZgGbBK0KGlQaj0bzfjOHbDpaq_8G4S08TkWJ-Ubvea_Xb1QvzKwgMYJXStBHC38Ja_zI7mHm0yhUEUOyRvVTcGzIYL7tl5p13WgBRuBCzBo?key=xwEWfTbF6gY8RbdGuR5g8Q)

The instant bookmarking feature allows you to keep track of key points and sites that you want to get back to later. 

#### **2\. Multiple Highlighting Features** 

![Multiple Highlighting Features](https://lh7-rt.googleusercontent.com/docsz/AD_4nXeQpG1Y9IIW5Mnb6iBK80FNilju6C7gPK0mih7QlsiO6wG8gGpmV10ZWWfERDwmuaZRNzf86_kdlkBZsuOsJxw14LP6l6UWvDbhQcGeCOEGYlWjq3xAfe4-m_o5LJLBRX9T0o8qgdJaWbskA3FzBBOauAA?key=xwEWfTbF6gY8RbdGuR5g8Q)

You can easily highlight any text in your file and also change its color and share it with your classmates or clients. 

#### **3\. Annotating Screenshots**

![Annotating Screenshots](https://lh7-rt.googleusercontent.com/docsz/AD_4nXfrhBjoQgYtftu7MrJDevJLdKlh94xerq19FsyYCcBrTXtiX0rq8gFOqtqOI9uiRqGVNqaeVccAxK9jDKMekZQRXSa1EAY1anNvdbHgfCciBWjrVID001E82BtZBINaXMgBKt2XTEuje-k7fiaiyrQS6x5a?key=xwEWfTbF6gY8RbdGuR5g8Q)

Easily capture live screenshots and add highlights or text to them. You can also share them with your team members as they are automatically saved in HTML and image format. 

### **Pros of Diigo**

-   Easy extension installation
-   Easy sharing 
-   User friendly
-   Organizes large files

### **Cons of Diigo**

-   Limited features in mobile apps
-   Not all features are saved automatically
-   One-time payments are not feasible 
-   Limited storage in the free plan

### **Pricing of Diigo**

Diigo offers the following pricing plans:

-   Free Plan
-   **Standard:** $5 /per month, $40/ per year
-   **Professional:** $6/ per month, $59/ per year
-   **Business:** $10 per month per user 

### **Customer Support Options of Diigo**

-   Email support
-   AOL customer service

### **Final Verdict on Diigo** 

Diigo is an easy-to-use article annotation tool that helps you add bookmarks and outliners to your files, allowing students and researchers to keep their work organized. 

With the premium plans, you can store almost all annotations in your cloud for easy access and have access to more accurate annotation features. 

> [**Diigo - Web Collector Review & Alternatives | Tooltivity**](https://tooltivity.com/extensions/diigo-web-collector) — Read our in-depth review of Diigo - Web Collector. Discover its key features, benefits, and the best alternatives to Diigo.

## **8\. Hypothes.is**

![Hypothes.is](https://lh7-rt.googleusercontent.com/docsz/AD_4nXfMSaR9zi8oeuEi9-nIiv_nDNObrk9gUdHdQSEAKizGN8y9HoSbfu3TO-uW5okdhiCqvb7OQVoMewLMCxOSvca04Y7uAXfazrkMdllgZiBBTvw63V0S4aWGWMP-pjU6HcU7tD573byM8FQQ5f6pYRAjjXB9?key=xwEWfTbF6gY8RbdGuR5g8Q)

Another unique and free Chrome-based tool for annotating PDFs and webpages, [Hypothes.is](http://hypothes.is/) allows you to annotate documents socially and make both private and public notes.

It adds a sidebar for annotations on any web content and has simple installation through the company website.

### **Features of Hypothes.is**

-   Social annotations
-   Reply to annotations
-   In-search notes
-   Public and private comments

### **Top 3 Features of Hypothes.is**

#### **1\. Visual Annotations** 

![Visual Annotations](https://lh7-rt.googleusercontent.com/docsz/AD_4nXcO5NoRT-omZnSAfmRgveazGYmQh5Z7Om614n6Mxe_JqFRx__NVQlCj2-LrXKmkATOz3jrLKn3LLVXuSSvim7OW1nIXQJaoApcKoJP0AP4d2bUYRtQNBR_cxKneK9khjCBfIq62-6crSjB0re3QkGdKDpNy?key=xwEWfTbF6gY8RbdGuR5g8Q)

Students can mark passages in Hypothesis and read comments with other students to validate ideas and establish new connections. 

#### **2\. Social Annotation** 

![Social Annotation](https://lh7-rt.googleusercontent.com/docsz/AD_4nXcf5aAAUIQz9_dqYfeWfwAX6jmAeC7ZO9ArF1L_xeh_nA-SeGpEwJPuVEeKd75auK7OsKaFFegQcSGc_xzmTMMlTGo-KQNVI1vUQFJKa1-CGMfbLd05PKKspL4k04xbUOboUlAwXHncNbfeQFQtrqjac7U7?key=xwEWfTbF6gY8RbdGuR5g8Q)

Social annotation makes students more responsible and forces them to read carefully while making notes and comments that can be accessed by teachers. 

#### **3\. Replying to Annotations**

![Replying to Annotations](https://lh7-rt.googleusercontent.com/docsz/AD_4nXfE_Pp3Wb_oKoEVkMe7YJb5rLs_dJz-VvTuBUDQYK-tPWN2E5Tm3gE1HD2yz2b7FKVtUxi0EuftnKM530Gtc6mYw5500gqT4Fu8qeSsmlJXGZwMCNSfg1Ixy_Ne7_9_Hpz5s41bD57CQnYgHdMwP0mwYl5v?key=xwEWfTbF6gY8RbdGuR5g8Q)

With Hypothes.is, you can reply to your annotations to add further information to your articles and make important notes. This feature is also great when working with your classmates or team members. 

### **Pros of Hypothes.is**

-   Unlimited updates
-   Easy to use
-   Friendly interface for students 
-   Supports digital learning 

### **Cons of Hypothes.is**

-   Limited visuals
-   Technical glitches
-   Basic features compared to other tools

### **Pricing of Hypothes.is**

-   Free Web app
-   Customized plans are available too

### **Customer Support Options of Hypothes.is**

-   Support ticket
-   Web support 
-   FAQs
-   Online articles 

### **Final Verdict on Hypothes.is**

This open-source annotation tool easily connects with other systems while capturing annotations, comments, highlights, and tags. Hypothes.is is a great tool for researchers and students as it promotes active engagement with texts.

You can create a free account or buy a plan for more advanced features. 

## **9\. Zoho Annotator**

![Zoho Annotator](https://lh7-rt.googleusercontent.com/docsz/AD_4nXfVefgwpQJI79m4Ml5zyJQVYKsafAsjzEqgdIAMSQ0d1gkDAlrP_CJSRvqROMdoVHEtFlOgbzWFeJ6jJLqHI2ECzlZQIwwX6ndWhiu5yYzyB1goGkzGKdHR8n6JadVsGvScoZQOtfO3rZD9_5yX4rnyc0lH?key=xwEWfTbF6gY8RbdGuR5g8Q)

With the help of [Zoho Annotator](https://www.zoho.com/annotator/) , you can annotate web pages with context and save your edits as an image.

This article annotation tool enables you to visually represent notes on online pages without ever leaving your computer browser. 

### **Features of Zoho Annotator**

-   Snapshots
-   Mark highlights
-   Comments and tagging
-   Smudge confidential data

### **Top 3 Features of Zoho Annotator**

#### **1\. Highlight and Draw**

![Highlight and Draw](https://lh7-rt.googleusercontent.com/docsz/AD_4nXe8_Xn9l_OuAENht_EctYuONMJZZqe7zh6pHgyr3TanIRB04VNHdSofrfNYRhnnfa9htkI9gS2jc9RC2Gskz0VCStD7dZAZ0uwhDd2tPWWqsK8hag977do45_nHj9Xa1sITetGkZZed-NSB2KFNrgRcJL4?key=xwEWfTbF6gY8RbdGuR5g8Q)

To highlight important information, use the square and circle shapes in the Zoho Annotator. You can also circle spots with the freehand sketching tool.

#### **2\. Organized Comments** 

![Organized Comments](https://lh7-rt.googleusercontent.com/docsz/AD_4nXcXsrZvAXDR4_1TpCu3LPEo_64QvSmyAvsDc8bqZWDTaQHyxQEdLqCWuYC1OKoQuG1RZIQ0AmazWZZPL8Hiyc8CXz9e9as9IvT0gbDqkgYMcdEMwVYFqmH1oAgWOaBgju0hSBlgBQbFZLYXcNwV77bJxIrz?key=xwEWfTbF6gY8RbdGuR5g8Q)

To add more annotations to your files, you can write comments next to the highlighted areas or utilize tagging features in any of your apps. 

#### **3\. Blur Unwanted Information** 

![Blur Unwanted Information](https://lh7-rt.googleusercontent.com/docsz/AD_4nXe7Z2Pz7YDtZe1t-9qDfmqVy0i49fXYePM8xXkZWtODn59eV1RKo0PQamtDGXG_x_5_6iWqngw9lz98H0htsgPLP39hnOxNAdtK2UY9kGLxgE9BehrMl-ev8xizp7iO-8csjb9M_U7Upw0kuruNDHsmyBM?key=xwEWfTbF6gY8RbdGuR5g8Q)

Smudge or blur private or irrelevant information without affecting the remainder of the article for you to annotate easily. 

### **Pros of Zoho Annotator**

-   Unlimited updates
-   Supports multiple content types 
-   Annotate without leaving your browser

### **Cons of Zoho Annotator**

-   Limited online support
-   Limited integration 
-   Learning curve for beginners

### **Pricing of Zoho Annotator**

-   Free 

### **Customer Support Options of Zoho Annotator**

-   Web support
-   Email support
-   Phone support

### **Final Verdict on Zoho Annotator**

Zoho Annotator is a free article annotation tool that allows you to add, highlight and draw on different web pages. It is easy to use and understand for students who are interested in online reading and studying.

## **10\. Super Annotate**

![Super Annotate](https://lh7-rt.googleusercontent.com/docsz/AD_4nXfuvRy50kykp5ZXHMT5h_MCWepdtSCWA34h4OcqfYCr34AKXaGzReo_HA2xtDWB2Bt-P-KUwz0-S0-PdEFCpTWlygM-nHUYZcARAk1ZbfOf0lRxaukGFZdrROFPs95KiEmMN7i_Yi8CyhhVJbbKSTlJ8Z9q?key=xwEWfTbF6gY8RbdGuR5g8Q)

[Super Annotate](https://www.superannotate.com/annotation-tool) is a specialized annotation editor which helps you manage and organize your work. If you are a researcher or a student who frequently works with different document files, this tool will help you with a wide range of annotations. 

### **Features of Super Annotate**

-   Keyboard Shortcuts 
-   Add Comments 
-   Different Document version options
-   Export/Import Annotations

### **Top 3 Features of Super Annotate** 

#### **1\. Annotate** 

![Annotate](https://lh7-rt.googleusercontent.com/docsz/AD_4nXfbsEB7wOMhf0hDOUXuvdUC_hWlquQln6YatdwvuOHtOob4NLYoVc1TXcMjjzTWRqpwUdHlz_GuLflUbcSRMy3UEcRu91rUncgCf57WW2jD0X2UIEn8BlIn10Ki7JoKyLBhDjMShXnVy09nOjMp0jZZsPI_?key=xwEWfTbF6gY8RbdGuR5g8Q)

With Super Annotate, you can highlight and add tags to your notes to identify relevant information. 

#### **2\. Add Comments and Notes** 

![Add Comments and Notes](https://lh7-rt.googleusercontent.com/docsz/AD_4nXcpHXecW3-n8V7GkT0Uq7I8xF3N4rMIxkA4Efl31rPg1zIavy_kBpkFc5DdNuHASV1jrOGgVOTc-BdLouQ8PmrGZTrWtleOmAtl7jYdymvNlr0MOWErLpH__BOX1XBEmJWLWB1xxEox9i3zyBaccYAeHhZ6?key=xwEWfTbF6gY8RbdGuR5g8Q)

You can easily add notes or extra comments to your annotations for more clarity and better collaboration. 

#### **3\. Keyboard Shortcuts**

![Keyboard Shortcuts](https://lh7-rt.googleusercontent.com/docsz/AD_4nXc-MvSx20-AQmxZoJvbwEQ_-ksIdbjsRFgSSml-D7GnQNTBO0M9tPRfGJOlCqSg9SmyoPk8fjVFEyAxiaLjw8ze_7Vdo0g8cG_JSwxlVadUv6O2n1h8gEtd9_HtdZx8si9V0gMz5fFRff5ezoCpce54q_V2?key=xwEWfTbF6gY8RbdGuR5g8Q)

Super Annotation offers multiple keyboard texts to add text, arrows, highlighters, icons, and more, which helps save your time and allows for a quick annotation process. 

### **Pros of Super Annotate** 

-   Extensive online support is available 
-   Multiple image annotation features 
-   User-friendly interface

### **Cons of Super Annotate**

-   Complex advanced features
-   Limited customization
-   Expensive for small businesses

### **Pricing of Super Annotate**

Super Annotate offers the following pricing plans:

-   **Free:** Startup and Academic
-   **Pro:** Free features plus complex features
-   **Enterprise:** Contact Sales

### **Customer Support Options of Super Annotate**

-   FAQs
-   Help Blogs
-   Email support

### **Final Verdict on Super Annotate**

Super Annotate is a great article annotation tool that can be used across multiple platforms, with most of its features available for free.  

It has different annotation tools and also offers keyboard shortcuts for students and researchers to stay organized and save time.

## **Key Takeaways**

Finding the right article annotation tool can be challenging. That's why  we have summarized the top 10 article annotation tools in this blog that will save you time and fulfill all your annotation requirements. 

Among these, [Web Highlights](https://web-highlights.com/) stands out as it offers extensive features and easy integrations, making it an invaluable asset for both researchers and students.

## **Frequently Asked Questions (FAQS)**

### **1\. What are article annotation tools?**

Article annotation tools are applications that allow users to add notes, highlights, and comments, and make other changes to digital documents and web pages. These tools help researchers and students stay organized, save time, and collaborate on their reading materials.

### **2\. Why should researchers and students use annotation tools?**

Annotation tools will improve your studying and research process by making it easier to highlight important information, add bookmarks, organize notes, and collaborate with others. They save time and improve the accuracy of your academic work.

### **3\. Which tool is best to use for research and academic purposes?** 

Most of these tools can be used for academic purposes as they have features like highlighting, note-taking, and tags. However, [Web Highlights](https://web-highlights.com/) can be the perfect tool for you as it offers unique features like flashcards and email reminders, which help you keep track of your assignments, deadlines, and important notes. 

### **4\. Is Web Highlights a free tool?**

Yes, most of Web Highlights’ features are available for free, including unlimited offline highlights and bookmarks. However, it has affordable paid plans as well, which include more advanced features for experts and those working on a large scale. As a student or a researcher, the basic free plan will be able to fulfill all your annotation requirements. 

### **5\. Does Web Highlights offer any export options to other workspaces?**

Yes, with Web Highlights, you can easily export your annotations and files to any other workspace. Web Highlights supports multiple workspaces, including Notion, Markdown, Capacities, and more.