OpenScreenShot
OpenScreenShot: A free, open-source Chrome extension for detailed webpage capture, markup, and redaction. Ranked #25 of 75 in Screenshot Annotation Software by our editors (6.7/10); pricing: Free plan; best for chrome users who need free page annotation.
At a glance
- Editor score6.7 / 10
- PricingFree plan
- Best forChrome users who need free page annotation
- Free planYes
- Paid fromFree
- Redaction toolsYes
- Facts checked24 Sep 2026
Where it wins
- Captures full webpages, visible areas, or selected regions
- Offers annotation, redaction, cropping, and framing tools
- Exports PNG, JPEG, WebP, or multi-page PDF
Where it doesn't
- Team collaboration is not included
- Measurement tools are not included
- The prominently advertised browser extension is for Chrome
Our verdict on OpenScreenShot
OpenScreenShot is a free, open-source browser extension for capturing and annotating webpages. It suits people who document websites, including developers, QA teams, designers, writers, and support teams. Captures and edits are processed locally. The extension can capture a full webpage, the visible area, or a selected region, then copy the result to the clipboard or download it. Its focus is individual page capture and markup rather than shared team workflows.
The editor covers a broad set of annotation and cleanup tasks: arrows, shapes, lines, freehand pen, text, highlights, and numbered steps are available, alongside blur, mosaic, and opaque-fill options for obscuring screenshot content. Users can crop, spotlight, and adjust framing, then export as PNG, JPEG, WebP, or multi-page PDF. It also supports recording browser tabs, with optional microphone, tab audio, and webcam. Keyboard shortcuts and a right-click context menu provide alternate ways to start captures. This feature range makes it suitable for preparing visual bug reports, documentation, or support material without moving capture editing into a separate service.
Chrome users who want local capture and redaction tools without a paid plan have a clear fit here. The extension does not include team collaboration or measurement tools, so teams that need shared annotation workflows or measurement-focused review should look elsewhere. OpenScreenShot also offers a separate CLI and MCP server for local webpage capture, but the main browser extension is advertised for Chrome; official documentation describes a Firefox source build. Community support and documentation are the listed support channels. Choose it for free, detailed page annotation and several export formats, not for collaborative review or measurement features.
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OpenScreenShot pricing
OpenScreenShot fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Redaction tools | Yes |
| Measurement tools | No |
| Team collaboration | No |
| Browser extension | Yes |
| Export formats | PNG, JPEG, WebP, PDF |
| Maximum file size | Not verified |
| Deployment | Browser extension |
| Platforms | Chrome extension |
| Support | Community, Docs |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan |
| Website | openscreenshot.app |
| Facts checked | 24 Sep 2026 |
Alternatives to OpenScreenShot
- SnagitA paid desktop suite for detailed screenshot capture, annotation, OCR, and short video creation.9.3
- ShareXA highly configurable Windows capture tool for annotation, OCR, recording, and automated sharing.9.1
- ScreenpressoA broad Windows capture toolkit with strong annotation, OCR, document, and sharing features.8.9
See all OpenScreenShot alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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