Freedom251 › Document Redaction Software
Open Redact
What Open Redact is
Open Redact is a web app for removing sensitive information from PDF files in a browser. Redaction and export take place locally, and the maker says the PDF is not uploaded to its servers. The app is free to use at no cost, with no account wall. It is described as open source, and its full source code is publicly reviewable. Open Redact uses MuPDF.js as its PDF engine; the site notes that MuPDF is available under AGPL v3 or a commercial license and advises reviewing AGPL obligations when deploying or distributing derivative work. The listed platform is web, and PDF is the input format. The homepage does not name third-party integrations or downloadable desktop or mobile versions.
Who it suits
It suits people who want to redact PDFs in a browser without an account. Developers considering deployment or distribution of derivative work should review the stated MuPDF licensing guidance.
What it does well
- Free to use at no cost
- No account wall
- Redaction and export happen locally in the browser
- Full source code is publicly reviewable
What to know first
- Listed for web only
- Homepage names no downloadable desktop or mobile versions
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Free | Free to use · no account wall · no hidden paywall | Free |
As openredact.com lists them, read 8 Oct 2026. The maker's own page has the final word.
Getting started
- Open https://openredact.com/ in a web browser.
- Use the in-browser app without creating an account.
- Provide a PDF to redact and export the result.
Verdict
Open Redact offers a free browser workflow for PDF redaction, with local processing and no account wall. Its MuPDF licensing guidance is relevant to anyone deploying or distributing derivative work.
Questions
How much does Open Redact cost?
Its Free plan costs nothing.
Do I need an account?
No. The maker says there is no account wall to use the app.
Which platform and files does it support?
The listed platform is web, and PDF is the listed input format.
Is Open Redact open source?
The maker describes it as open source, and its full source code is publicly reviewable on GitHub.
Does it upload PDFs to its servers?
The maker says redaction and export happen locally in the browser and that the PDF is not uploaded to its servers.
What should developers know about the PDF engine license?
Open Redact uses MuPDF.js. The site says MuPDF is available under AGPL v3 or a commercial license and advises reviewing AGPL obligations for deployment or distribution of derivative work.
Facts from Open Redact's own pages
- Account
- The maker says there is no account wall to use the app. · openredact.com, 8 Oct 2026
- Downloads
- The maker's homepage describes an in-browser app and does not name downloadable desktop or mobile versions. · openredact.com, 8 Oct 2026
- Integrations
- The maker's homepage does not name third-party integrations. · openredact.com, 8 Oct 2026
- License
- The site says MuPDF is available under AGPL v3 or a commercial license and advises reviewing AGPL obligations when deploying or distributing derivative work. · openredact.com, 8 Oct 2026
- Local processing
- Redaction and export happen locally in the browser, and the site says the PDF is not uploaded to its servers. · openredact.com, 8 Oct 2026
- Open source
- The maker describes the product as open source. · openredact.com, 8 Oct 2026
- PDF engine
- Open Redact uses MuPDF.js. · openredact.com, 8 Oct 2026
- Purpose
- Open Redact lets users redact sensitive PDFs directly in their browser. · openredact.com, 8 Oct 2026
- Source code
- The full source code is publicly reviewable at https://github.com/tsabkuro/OpenRedact. · openredact.com, 8 Oct 2026
Where Open Redact stands on Freedom251
- Document Redaction Software#8 of 27