Who is Web Canvas for?

Web Canvas is a consumer product built for firefox users who need web-page annotation tools.

Yes — Web Canvas is free to use.

What platforms does Web Canvas run on?

Web Canvas runs on the web and embeddable surfaces.

Is Web Canvas still maintained?

Unverified. Web Canvas has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What are alternatives to Web Canvas?

Similar projects tracked by PulseGate include Web Paint, Paint Tool for Web, and Web Paint Tool.

Who develops Web Canvas?

Web Canvas is developed by Jaiwanth.

When did Web Canvas launch?

Web Canvas first shipped in 2021.

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Web Canvas

Name: Web Canvas
Author: Jaiwanth

mozilla.orgBrowser DevTools & extensions

Web Canvas is a Firefox browser extension for drawing and writing directly over web pages. It supports freehand marks, text, lines, shapes, grouped objects, clipboard actions, and page screenshots.

FreeWebEmbeddable

Visit mozilla.org

1alternative

9features

2021since

Overview

9 features

Web Canvas is a Browser DevTools & extensions project. It focuses on annotating web pages with drawings, text, shapes, and screenshots without leaving the browser. Web Canvas is a consumer product aimed at firefox users who need web-page annotation tools. It is available for free. It ships for the web and embeddable surfaces.

It is developed by Jaiwanth, and it first shipped in 2021. Key capabilities include freehand drawing, text annotations, and lines and shapes. The interface is available in 32 languages, including Czech, German, and Greek.

Summary written by a language model from the project’s public pages.

Freehand drawing
Text annotations
Lines and shapes
Object grouping
Erase objects
Cut and copy
Paste selections
Screenshot capture
Keyboard shortcuts

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed15 Sep · 00:34 UTC
Web Canvas verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Web Canvas

What does Web Canvas do?: Web Canvas focuses on annotating web pages with drawings, text, shapes, and screenshots without leaving the browser. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Web Canvas for?: Web Canvas is a consumer product built for firefox users who need web-page annotation tools.
Is Web Canvas free?: Yes — Web Canvas is free to use.
What platforms does Web Canvas run on?: Web Canvas runs on the web and embeddable surfaces.
Is Web Canvas still maintained?: Unverified. Web Canvas has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What are alternatives to Web Canvas?: Similar projects tracked by PulseGate include Web Paint, Paint Tool for Web, and Web Paint Tool.Web Paint Paint Tool for Web Web Paint Tool
Who develops Web Canvas?: Web Canvas is developed by Jaiwanth.
When did Web Canvas launch?: Web Canvas first shipped in 2021.

At a glance

Pricing: Free
Platforms: Web
First seen: 15 Sep 2026
Built for: Firefox users who need web-page annotation tools
Model: B2C
Solves: Annotating web pages with drawings, text, shapes, and screenshots without leaving the browser.

Registered as

Firefox Add-ons: web-canvas

Developer

Jaiwanth

Index record

Indexed: 15 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 15 Sep 2026

Identity audit (13)

Slug: web-canvas-mozilla-org
Lifecycle state recorded: 15 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 15 Sep 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 15 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/web-canvas

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