Web Archive Desk
Turn a saved web archive into a portable reading copy without uploading it or fetching tracking images. Keep the original MIME bytes and see exactly what changed.
How we build a check
This workbench processes supported inputs locally. We test calculations, file structure and generated artifacts using independent readers or known fixtures where available. The example runs the same processing path as a supplied input; it does not stand in for checking your own result.
Editorial responsibility
KitForma maintains this tool and its guides. The source notes on the tool page link to the supporting documentation. We do not claim affiliation with the referenced hardware manufacturers or platforms. Review date: 2026-10-18.
Limits and updates
One MHTML/MHT up to 20 MiB; 400 MIME nodes; 1.5 MB root HTML; 30,000 HTML tokens; 250,000 text characters; 80 PNG/JPEG images, 16 megapixels each and 50 combined; 100 PDF pages. PDF is a reflowed reading copy, not original CSS/layout. GIF/WebP/SVG, custom fonts, video, scripts and frames remain raw parts only. Unsupported PDF characters become explicit markers; HTML/TXT retain the text. If a specification changes or a result appears incorrect, send the relevant source URL and a non-sensitive reproduction to kitforma@outlook.com.
Open-source components
The tools use self-hosted open-source components appropriate to each format, including PDF.js, pdf-lib, fflate, SheetJS, MediaInfo by MediaArea.net SARL and others. Component versions and licenses. MediaInfo license · fflate license.