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OpenScreenShot

OpenScreenShot is a free, open-source browser extension for capturing and editing webpage screenshots.

Place
#37 of 76
Score
6.8
OpenScreenShot's website

What OpenScreenShot is

OpenScreenShot is a free, open-source browser extension for capturing and editing webpage screenshots. It captures a full page, visible area, or selected region, with exports in PNG, JPEG, WebP, or PDF. The editor includes arrows, rectangles, text, blur, mosaic, opaque redaction, spotlight, crop, pen, highlighter, and numbered step badges. Screenshot capture works on desktop Firefox, Chrome, Edge, Brave, Arc, and other Chromium browsers; recording is Chrome-only and offers auto zoom, timeline trimming, and WebM export. Capture, editing, export, PDF creation, and recording run locally in the browser, including offline. The extension needs no account and uses no upload, telemetry, watermark, or third-party service. Its optional CLI captures webpages from a locally installed Chrome-compatible browser and can save PNG output to a file or stdout. It can also run as an MCP server with a screenshot capture tool for AI agent clients. The project is MIT licensed. Selection is limited to the visible viewport, and pages that grow during scrolling or load images late may be incomplete or blank. Settings stay local and do not sync between devices or profiles.

Good

  • Captures full pages, visible areas, or selected regions.
  • Offers opaque redaction and blur tools.
  • Processing works locally, including offline.
  • Supports PNG, JPEG, WebP, and PDF exports.

Watch out

  • Recording is Chrome-only.
  • Region selection cannot extend below the viewport.
  • Settings do not sync across devices or profiles.
  • Dynamic pages may be incomplete or blank.

Who it suits

OpenScreenShot suits people who want local browser-based screenshot capture, annotation, or redaction without an account. It may also suit developers using its optional CLI or MCP server for screenshot workflows.

Verdict

OpenScreenShot provides broad screenshot editing and local processing across several desktop browsers. Check the Chrome-only recording support and viewport and dynamic-page limits against your capture needs.

Plans and prices

From OpenScreenShot's own pricing page, checked 28 Sep 2026.

All about pricing
PlanPriceWhat it gives you
FreeFreeNo sign-up required · no account · no watermark · no cloud

The facts

Each one read from OpenScreenShot's own pages, with the date it was checked.

What it does

Annotation
Its editor supports arrows, rectangles, text, blur, mosaic, opaque redaction, spotlight, crop, pen, highlighter, and numbered step badges.checked 28 Sep 2026
Annotation Tools
The editor supports arrows, boxes, text, and blur.checked 28 Sep 2026
Capture limitation
Region selection is viewport-only, so a region cannot extend below the fold during selection.checked 28 Sep 2026
Capture Modes
Users can capture a full page, visible area, or a selected region.checked 28 Sep 2026
Chrome Capture Limit
Chrome limits captureVisibleTab to about two calls per second.checked 28 Sep 2026
CLI
The separate openscreenshot CLI captures webpages from a locally installed Chrome-compatible browser and can write PNG output to a file or stdout.checked 28 Sep 2026
CLI Tool
The optional npm CLI captures screenshots from a terminal and can run as an MCP server.checked 28 Sep 2026
Core function
OpenScreenShot captures full webpages, visible areas, or selected regions from a browser.checked 28 Sep 2026
DevOps and CI/CD
The maker positions the CLI for incident reports, runbooks, postmortems, documentation, release notes, and visual diffs in CI/CD pipelines.checked 28 Sep 2026
Dynamic-page limitation
The capture engine measures page height once, so pages that grow during scrolling or load images late may be incomplete or blank.checked 28 Sep 2026
Export formats
The editor exports PNG, JPEG, WebP, and PDF files.checked 28 Sep 2026
License
OpenScreenShot is open source under the MIT license.checked 28 Sep 2026
Local Processing
All capture, annotation, and export processing runs locally in the browser.checked 28 Sep 2026
MCP Integration
The MCP server provides a capture_screenshot tool for AI agent clients.checked 28 Sep 2026
Measurement tools
Nochecked 24 Sep 2026
Network Behavior
The extension makes no network request and uses no third-party services.checked 28 Sep 2026
No Account Required
Users can capture screenshots without creating an account.checked 28 Sep 2026
PDF Export
PDF export uses a built-in writer and the browser's CompressionStream without network requests.checked 28 Sep 2026
Permissions
The extension has no standing host permissions at install; tab-capture and optional all-sites permissions are requested only when recording requires them.checked 28 Sep 2026

Where it runs

Browser extension
Yeschecked 24 Sep 2026
Browser support
Screenshots work on desktop Firefox, Chrome, Edge, Brave, Arc, and other Chromium browsers, while recording is Chrome-only.checked 28 Sep 2026

The company

Company Identity
OpenScreenShot is associated with @PGHQdev and OpenTechCheck.checked 28 Sep 2026

Money

Free and Open Source
The tool is free, open source, and MIT licensed.checked 28 Sep 2026
Free plan
Yeschecked 24 Sep 2026

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