18.1
Pastel is a visual review tool for websites and creative work, including images, PDFs, and videos.
Free planAndroidiOSWeb
Best Web Annotation Tools in 2026
When you need to comment on web pages or documents, compare annotation modes and document support to see what you can mark up. Browser capture and export options help you weigh how material enters and leaves your workflow. For shared review, look at collaboration features, guest access, and team seats; free-plan availability and paid-from pricing add cost context. Pastel, Hypothesis, and Annot8 are among the named…
27.6
Weava Highlighter helps users highlight, annotate, and organize research from websites and PDFs.
Free planiOSWebExtension
37.3
Annot8 is a web-based website feedback tool that pins comments to page elements and combines feedback, live chat, public requests, and analytics in one workspace.
Free planWebAPISelf-hosted
- 4
Huddlekit
Huddlekit is a visual annotation and quality-assurance tool for reviewing websites, web apps, images, PDFs, and video.
Free planWebAPI7.3From $16 a month - 5
Hypothesis
Hypothesis is a collaborative annotation tool for digital course materials.
Free planOpen sourceWebAPIExtension7.3Free plan - 6
MarkUp
MarkUp is a paid review platform for teams and individuals who need feedback tied to specific content.
WebAPIExtension7.1From $79 a month - 7
Ruttl
Free planWebAPI6.9From $18 a month - 8
Ybug
Ybug collects annotated visual feedback and bug reports from websites and web apps.
Free planWebAPIExtension6.8From €10 a month - 9
ReviewSight
ReviewSight is a web-based visual QA platform for teams reviewing websites, annotating issues, and tracking fixes.
Free planWeb6.7From €9.99 a month - 10
Annot
Annot is a web tool for gathering client feedback on websites and web applications.
Free planWeb6.6From $9 a month - 11
AnnotationBase
AnnotationBase is a web tool for placing visual feedback directly on websites.
Free planWeb6.6From £99 a year - 12
BugHerd
WebAPIExtension6.6From $50 a month - 13
dotts
dotts is a web-based visual feedback tool for freelance web designers and small teams.
Free planWeb6.6From $15 a month - 14
Perusall
Perusall is a web-based tool for annotating documents and reviewing them collaboratively.
Free planWeb6.6$5 one-time - 15
SiteDots
SiteDots is a website review tool for adding comments and fix requests to the parts of a live webpage they refer to.
Free planWebExtension6.6From $10 a month - 16
WebPinch
WebPinch is a web and extension-based tool for collecting and managing feedback on live, staging, or localhost websites.
Free planWebExtension6.6From $1,512 a month - 17
Marker.io
WebExtension6.5From $39 a month - 18
Markify
Markify is a web-based visual feedback tool for placing comments on websites, screenshots, PDFs, and documents.
Free planWeb6.5From $15 a month - 19
Leafy
Leafy lets people annotate, highlight, and comment on live webpages together in real time.
Free planExtensionSelf-hosted6.4From $5,470 a month - 20
ClickCues
Web6.3From $23 a month - 21
Revisely
Revisely is a Chrome extension for reviewing live websites, adding visual feedback, editing CSS, and preparing implementation handoffs.
Free planExtension6.3$9.99 one-time - 22
Simple Commenter
WebAPIExtension6.2From $34.99 a month - 236.2From $29 a month
- 24
Webvizio
WebExtension6.2From $8 a month - 25
Heurio
WebExtension6.1From $19 a month