17 Best Website Annotation and Website Markup Tools in 2026

Need to get your point across? Annotate, comment on, and mark up websites with our list of the 17 best website annotation and markup tools.

Website annotation tools let you annotate web pages and comment directly on web content:

• Quickly annotate web pages
• Highlight text or other elements
• Give visual feedback
• Easily take and share annotated screenshots and site revisions
• Add comments and notes

There are a lot of tools out there, so to make your life easier, I've reviewed 17 of the most popular website annotation and markup tools.

Each website annotation tool includes its best use case, pricing, and G2 rating.

Here are the results 👇

More details about each tool can be found below.

16 Best Website Annotation Tools

Here are the best website annotation and markup tools for 2026.

1. Marker.io

Add comments, annotations, and markups directly on your website.

Marker.io simplifies the process of taking screenshots and annotating them for your team and clients.

This functionality is particularly useful during website QA cycles. With just a click, both technical and non-technical stakeholders can share feedback and report bugs on live websites.

Marker.io is ideal for client feedback and QA testing, thanks to its contextual feedback and integrations with project management tools.

It can be added to your website as a widget or a Chrome extension, which makes it easy to capture and annotate web pages, and share annotated screenshots with your team.

Just install the code snippet or Chrome extension to start annotating.

Marker.io is best for:

• Bug reporting and bug tracking. It helps your QA team or end-users report bugs quickly.
• Website feedback collection. It gathers client feedback efficiently after delivering a website project.

Here's how simple it is:

1. Click “Report a bug” and use the website markup to leave visual feedback.
2. Annotate and markup the page, fill in the feedback form.
3. Hit “Create issue” and you're done!

The best part about Marker.io is our deep integrations with popular project management tools like Jira, Trello, GitHub, and Asana.

Whenever your reporters provide feedback, an issue is automatically created in your chosen tool.

When a task is marked as “Done” in your project management tool, that same task will also be “Resolved” in Marker.io. All stakeholders can see the status of reports in the dashboard.

Marker.io also automatically includes essential information with every report:

• Reporter name
• Source URL
• Console logs
• Environment info
• Session replay
• Any other details developers need to fix the bug

Ready to give it a go? Sign up for a free trial here—no credit card required.

Marker.io's pricing starts at $39/month.

Marker.io also exists as a Chrome extension or WordPress plugin.

2. Filestage

Comment and annotate on any file type.

Best for: Reviewing documents, designs, and other assets.

With Filestage, teams can upload any file type (spreadsheets, images, website design mockups, videos, etc.), annotate them, and provide feedback during the review process.

Filestage acts as a versatile annotator tool and streamlines the approval process in a few steps:

1. Create a project and upload your files.
2. Invite reviewers to leave feedback via the dedicated website commenting tool.
3. Edit and share new versions for side-by-side comparison.
4. Organize feedback
5. Approve the work

Key features:

• Annotate PDFs, images, videos, and documents
• Approval workflow tracking
• AI assistants for faster content checking

Pros:

• Handles all file formats in one tool
• Unlimited reviewers and version history, even on the Free plan

Cons:

• Slightly overkill for simple annotations

Alternatives: Ziflow, GoVisually

Pricing: Free plan available, with a paid Starter plan starting at $199/month.

3. NoteLedge

Note-taking, highlights, and markups on the go.

Best for: Designing and organizing ideas.

NoteLedge is a mobile app for designers, marketers, and creatives.

This online annotation tool works on phone or laptop and allows you to:

• Discover and save new ideas. Highlight what's important
• Create mood boards to organize and visualize ideas
• Sketch or highlight main ideas with various brushes
• Export PDFs containing notes and share with your team

The app has a free version, perfect for on-the-go note-taking.

Key features:

• Web and images clipping, sketching, and annotation tools
• Multimedia mood boards
• Sync across mobile and desktop

Pros:

• Flexible layout options
• Great mobile experience

Cons:

• Not built for collaborative feedback

Alternatives: Milanote

Pricing: Free, with upgrades starting at $2.49/month.

4. Fusebase (Nimbus)

All-in-one client portal with annotation and documents.

Best for: Managing multiple clients with shared workspaces.

‍Fusebase (formerly Nimbus Note) offers a shared workspace for your team and clients, simplifying your workflow.

The tool offers a complete white-label portal:

• Sharing documents or web pages
• Real-time editing and annotations
• Easy client access with just a link to share annotations
• Add comments and exchange feedback with clients
• Mobile-friendly

Key features:

• White-labeled portals for client collaboration
• Task lists and AI writing assistant
• Secure user access controls
• Multi-language

Pros:

• Excellent for managing client projects in a shared workspace

Cons:

• Higher learning curve compared to just an annotation tool

Alternatives: Notion, ManyRequests

Pricing: Starts at $32/month.

5. Monosnap

Screenshot and screen recording tool with fast annotation and secure sharing.

Best for: Fast, visual feedback.

If you value speed, Monosnap might be for you.

It's straightforward:

1. Take a screenshot with one click or a keyboard shortcut
2. Edit and annotate
3. Upload to cloud storage

Monosnap is versatile:

• Capture entire webpages and give feedback
• Work asynchronously with editable video recordings or GIFs
• Store updates on Dropbox, Google Drive, and more
• Save and share your work with a simple link, no sign-up needed

Monosnap also offers a Chrome extension.

Key features:

• Quick screenshots, recordings, and real-time updates to your cloud storage
• OCR (text recognition) and video frame annotation

Pros:

• Super lightweight
• Works well for both individual and business use

Cons:

• Lacks deep integrations with other tools: if you take screenshots every day, this might not be for you

Alternatives: Snagit

Pricing: Free for personal use, Pro from $2.5/month.

6. Wipster

Video feedback, annotations, and version control.

Best for: Reviewing and approving video content.

Although Wipster isn't specifically for websites, it's too good to leave out. Videos are often part of website design.

Wipster simplifies video feedback with:

• Media management tools for easy review of video, images, PDFs, and audio files
• Public URLs or password-protected links for sharing
• Customizable review cycles

Key features:

• Frame-accurate video annotations
• Version control with side-by-side comparison
• Comment-to-task conversion

Pros:

• Built specifically for video teams
• Seamless Adobe integrations

Cons:

• Pricing scales with team size
• Not suitable for other formats

Alternatives: Frame.io

Pricing: Teams plan starts at $19.95/month per user. Free trial available.

7. Markup Hero

Screenshot and annotation tool with shareable markup history.

Best for: Educators and project managers.

Markup Hero is an advanced highlighting and markup software for project managers and teachers. It lets you annotate web pages, screenshots, and images with a wide range of annotation features:

• Screenshot entire websites
• Full editing history
• Various markup tools like arrows and highlighters
• Undo and redo options

Key features:

• Unlimited markups on paid plans
• Collections and folders to organize markups and feedback
• Chrome extension and Notion integration

Pros:

• Intuitive and easy to use
• Share feedback via links with colleagues

Cons:

• No real-time collaboration

Alternatives: Monosnap, Diigo

Pricing: Free for basic use. Paid plans start at $5/month per user.

8. Memex

Search and organize feedback with highlights, markups, and annotations.

Best for: Online research.

Memex is an annotation website free to use. Memex also offers a Chrome extension that helps users create web annotations, highlight, and draw on websites and PDFs.

Key features:

• Highlights & annotations
• Full-text search across your saved content
• Works on all devices and offline
• "Spaces" for organizing topics and teams
• Mobile app (Memex Go) for on the go notes

Pros:

• Perfect for research
• Works for both solo and team workflows

Cons:

• Collaboration features less refined than other tools on this list

Alternatives: Hypothes.is (more collaborative), Evernote

Pricing: $5 for the starter plan.

9. Snagit

Async teamwork with annotations.

Best for: Documentation, developers, and designers creating visual instructions.

Snagit by Techsmith is a screen capture and recording tool that replaces lengthy how-to documents with visual instructions.

Your whole team will love the visual explanations.

Key features:

• Image and video capture with annotation tools
• Templates for creating step-by-step guides
• GIF creation and video trimming
• Cross-device access
• OCR
• iOS screen recording

Pros:

• It's the industry standard for annotated visuals
• Fast and accurate capture

Cons:

• Subscription-only model since 2025 (it used to be a one-time license)
• Overkill for simple feedback tasks

Alternatives: Loom (async video)

Pricing: $39.99/year per user.

10. Page Marker

Markup and highlight websites via a Chrome extension.

Best for: Quick, disposable markups

Page Marker is a Chrome extension that excels at website annotation.

While it may lack in features, if you’re just looking to annotate a website, this is the way.

Key features:

• On-page annotation with the usual markup tools
• Hotkey shortcuts
• Eraser, undo/redo tools
• Option to save annotated pages as an image

Pros:

• Incredibly simple
• No account required, just open your browser and sign in to start

Cons:

• No persistent annotations, all markups lost on refresh
• Not actively maintained

Alternatives: Awesome Screenshot

Pricing: Free.

11. GoVisually

Design feedback and proofing tool for teams reviewing creative content.

Best for: Marketing teams managing approvals.

GoVisually is a proofing solution for design teams and web agencies looking to organize feedback and streamline approvals.

Key features:

• Annotations on PDFs, images, and video files
• Real-time collaboration and notifications
• Share projects and annotations with clients via a public link
• Unlimited reviewers on all plans
• Version control and checklists

Pros:

• Very easy for clients to use (one link)
• Supports a wide range of formats

Cons:

• No free tier, and the advanced features like video annotation require a Pro plan

Alternatives: Filestage

Pricing: Lite plan starts at $16/user/month.

12. Zoho Annotator

Website annotations for QA and client feedback.

Best for: Teams already on Zoho.

Zoho Annotator is a Chrome extension that facilitates QA by allowing you to:

• Add contextual feedback, annotations, and comments
• Save changes as an image
• Illustrate ideas without leaving your browser
• Copy and paste images into Zoho

Key features:

• Draw, highlight, blur images or webpages
• Full-page, window, or region screenshot
• Screen recording
• Integration with Zoho Projects

Pros:

• Great for existing Zoho users
• Clean and lightweight

Cons:

• Limited feature set compared to standalone tools
• No integrations outside of Zoho

Alternatives: Marker.io (for deep integrations)

Pricing: Free.

13. PDF Annotator

Advanced PDF annotations.

PDF Annotator offers advanced features for annotating and highlighting PDFs, making it great for feedback on website design ideas or early mockups.

Key features:

• Handwritten or typed annotations
• Arrows, shapes, icons
• PDF merging, page rearrangement, versioning
• Undo/redo tools
• Tablet, PC, and stylus support

Pros:

• Great for offline workflows (pen-based)
• Comprehensive markup tools for PDF review

Cons:

• Windows only
• No free version (just a trial)

Alternatives: Adobe Acrobat Pro

Pricing: $79.95 one-time license.

14. Hypothes.is

Annotate text on any web page and organize group notes.

Best for: Students and educators.

Hypothes.is is a great tool for students and educators organizing web annotations and research, but it can also serve as a feedback tool.

Key features:

• Highlight and annotate website or PDF content
• Private or public groups
• Threaded replies and tag-based organization
• Integrates with Canvas, Moodle, and Blackboard
• Online PDF annotation via extension

Pros:

• Great for class collaboration
• Free and open-source

Cons:

• Clearly developed for this niche and wouldn't really fit anyone else

Alternatives: Memex

Pricing: Free, paid LMS integrations for institutions.

15. Diigo

Comment on websites and save your research.

Best for: Research and web content curation.

Diigo combines web highlights, sticky notes, and a bookmarking system to organize and revisit annotated pages and web content.

Key features:

• Highlights and sticky notes on webpages
• Bookmarks for easy access to research
• Tags for content organization
• Cross-device sync

Pros:

• Powerful for large research collections
• Works offline and with PDFs

Cons:

• Dated interface
• Limits on the free plan

Alternatives: Memex (offline + open-source), Hypothes.is (more collaborative)

Pricing: Diigo is one of the several free annotation tools, with premium options available starting at $40/year.

16. Annotate.com

Enterprise-grade document collaboration platform for PDFs, Office files, and more.

Best for: Enterprise teams and sensitive data.

Annotate.com helps teams work faster and more securely with PDF documents.

Key features:

• Annotation on PDFs, Word, Excel, and more
• Freehand drawing, highlights, and comments
• Document versioning and comparison
• Team workspaces with access control
• Google Drive and Dropbox integrations

Pros:

• Secure and compliant for enterprise use

Cons:

• Not self-serve
• Definitely not suited for casual use

Alternatives: Filestage

Pricing: Annotate.com is an Enterprise solution, so you'd need to contact sales to get a custom quote.

17. Markup.io

Comment and collaborate on websites, images, PDFs, and videos, all in one place.

Best for: Marketing teams and creative agencies managing multi-format reviews.

Markup.io is a website annotation tool that lets teams provide contextual feedback across more than 30 file types, including live websites, images, PDFs, and videos.

It's built around a simple idea: click anywhere, leave a comment. That contextual feedback approach means reviewers don't need to write lengthy emails explaining where an issue is; they just point and annotate.

Key features:

• Annotate live websites, images, PDFs, and videos
• Real-time collaboration with threaded comments
• Chrome extension for creating web annotations directly from your browser
• Folder and workspace organization for managing projects
• Integrations with Slack, Trello, Asana, and other tools

Pros:

• Supports a range of file types in one platform
• Clients love the share-link access, with no account needed to review
• Real time updates keep the whole team in the loop

Cons:

• Significant price increase in 2025 has frustrated long-term users
• Limited project management integrations compared to dedicated bug-tracking tools

Alternatives: Marker.io for deeper PM integrations, bug tracking, and a better price

Pricing: Free plan available. Pro plan at $79/month (unlimited users, unlimited MarkUps). Enterprise pricing on request.

Wrapping up...

That wraps up our list of the best 17 website annotation tools in 2026.

These cover a wide range of use cases, whether you need a full-featured annotation platform or something more lightweight.

Did we miss any? Let us know, and we'll consider adding it to the list.

Frequently Asked Questions

What is a website annotation tool?

Website and online annotation tools allow you to create web annotations, highlight, or mark up web pages. They come with drawing tools like arrows and shapes to help communicate your ideas.

How do you annotate a website? (+ Example)

Choose a website markup tool from our list and start annotating.

A good annotation should be informative and concise:

• Use arrows and highlights to draw attention quickly.
• Keep text brief—attach comments or write a full bug report for detailed feedback.
• One issue = one markup screenshot = one annotation.

Example:

How to choose a website annotation tool?

Your choice depends on your use case and how often you expect to have to annotate a website.

• For regular internal QA or client feedback, Marker.io is a great option.
• If you're a creative looking for inspiration, try NoteLedge.
• For occasional screenshots and markup needs, free Chrome extensions might suffice.

What are some common use cases for an annotation tool?

Website annotation tools are versatile:

• Discussing and collaborating on web pages
• Helping marketing teams organize feedback during the review process
• Annotating web articles for later reference
• Sharing and rating web content with colleagues
• Research and study purposes

Live annotation tools are useful whenever you need to visually communicate your ideas directly on a live site.