Dev tools · alternatives · 2026

24 alternatives to marker.js

Add image annotation to your web app

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   marker.js 2▲110

   Add image annotation features to your web apps

   2021 · its alternatives →

2. 2
   marker.js Live▲78

   Display dynamic and responsive image annotations, live

   2021 · its alternatives →

3. 3AU
   A user-friendly UI for viewing and editing Markdown files▲269

   2024 · marker.pages.dev · its alternatives →

4. 4
   Marker.io for Slack▲224

   Turn screenshots into Slack messages ✌️

   2017 · its alternatives →

5. 5TJ
   Textures.js, SVG Patterns for Data Visualization▲404

   2015 · riccardoscalco.github.io · its alternatives →

6. 6
   Doka.js▲329

   A JavaScript image editor for your website ✂️

   2018 · its alternatives →

7. 7
   Annotate Screen▲92

   Markup your image or screenshot of your screen

   2021 · its alternatives →

8. 8RC
   RoughJS – Create hand-drawn graphics using JavaScript▲1,087

   2018 · roughjs.com · its alternatives →

9. 9PJ
   Pts.js – A library for visualization and creative coding▲611

   2018 · ptsjs.org · its alternatives →

10. 10
    Marker 2.0▲306

    Send badass screenshots to Slack, Trello, Github and more

    2016 · its alternatives →

11. 11MO
    Marker – open source hand-drawn illustrations▲10

    2020 · usepastel.com · its alternatives →

12. 12
    MarkUp for Chrome▲389

    Turn any URL into a canvas for feedback from your browser

    2020 · its alternatives →

13. 13
    Good Annotations▲147

    Professionally annotate any screenshot or image for free

    2020 · its alternatives →

14. 14
    Vivid JS▲183

    A highly customizable, open source SVG icons library

    2018 · its alternatives →

15. 15
    MarkUp▲454

    Turn your website into a dynamic canvas ready for feedback

    2020 · its alternatives →

16. 16PJ
    Pdf.js Express – PDF annotation, e-signatures, and form filling▲334

    Hi HN, Nick here. We're super excited to officially launch PDF.js Express [1]. PDF.js Express wraps a modern React UI around the PDF.js rendering engine to enable PDF annotation, form filling, and signing inside your web app. We've also made some improvements to PDF.js text search, and taken a different approach to how the viewer uses the PDF.js rendering API, resulting in sharp graphics at any zoom magnification [2]. Based on our research, more than 70% of those who try to implement these features on top of PDF.js find it too difficult or time-intensive [3]. For those who are successful,…

    2020 · its alternatives →

17. 17
    Chart.js 2.0▲441

    Simple, clean & engaging charts for designers & developers.

    2016 · its alternatives →

18. 18
    Blotter.js▲243

    A JavaScript API for unconventional text effects on the web.

    2018 · its alternatives →

19. 19
    Annotable 2▲219

    Ultimate image annotation & markup tool

    2017 · its alternatives →

20. 20AC
    A convenient graphical image annotation tool▲47

    2020 · github.com · its alternatives →

21. 21
    JS Paint▲201

    MS Paint nostalgia made in JavaScript.

    2018 · its alternatives →

22. 22
    Brusher▲158

    Tiny library to add interactive backgrounds to webpages

    2018 · its alternatives →

23. 23
    Marker Illustrations▲140

    Free hand-drawn illustrations

    2020 · its alternatives →

24. 24
    Chart.js 4.0▲111

    Open source JavaScript charting library for the modern web

    2022 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →