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31 tools · Free · No sign-up
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Pick the end of the file name (after the ".") to go to its tool
Most used
- winmail.dat Open winmail.dat Get the attachments out of winmail.dat The most used tool
- .msg Outlook MSG Viewer Read .msg emails and their attachments
- .lzh also .zip .7z .rar .tar Extract LZH / ZIP / 7z / RAR / TAR Extract without garbled file names
- .jtd also .jtt Open JTD (Ichitaro) View, then save as Word, PDF or text
- .xdw also .xbd Open XDW (DocuWorks) View page by page and save as PDF
- .??? No extension, or one you do not know Drop it in: the contents are checked and you are pointed to a tool
All tools 31
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Email attachments that won't open
Documents from work that won't open
- Open JTD (Ichitaro) View, then save as Word, PDF or text .jtt
- Open XDW (DocuWorks) View page by page and save as PDF .xbd
- Visio Viewer View drawings page by page, save as PDF .vsd
- Publisher Viewer Turn flyers and newsletters into PDF/PNG
- OneNote Viewer Read notes, save as HTML or Word .onetoc2
- MS Project Viewer Tasks and dates as a Gantt chart
- RTF Viewer Rich text with its formatting
- MHT Viewer A web page saved as one file .mhtml
- e-Gov XML Document Viewer e-Gov and pension office documents .xsl
Files from a Mac or iPhone
Audio and video that won't play
Archives that won't open or have garbled names
Drawings and images
- Open DXF Files See a drawing without CAD software
- Open DWG Files See an AutoCAD drawing without AutoCAD
- EPS Viewer The preview and details inside
- PSD Viewer See and save a Photoshop file’s picture .psb
- Open TIFF & Convert to PDF Multi-page faxes and scans .tiff
- WebP to JPG/PNG Into a format that opens anywhere .avif
Garbled text, contacts and text files
Latest from the Blog
How to open files that will not open, and how the formats work.
How to open iPhone .mov (HEVC) videos on Windows
An iPhone video (.mov) will not play on Windows, or plays with sound but no picture, because it is HEVC (H.265). See why, what the HEVC Video Extensions are, how to make the iPhone record in a compatible format, and how to convert the video to an MP4 that plays anywhere in your browser, without uploading it.
e-GovHow to Open an e-Gov / Japan Pension Service XML Document (公文書) When Edge or Chrome Shows a Blank Page
Japanese government e-filing (e-Gov, Japan Pension Service) delivers official documents as XML with an XSL stylesheet. Chrome 158 (17 November 2026) removes the browser feature that displayed them. Open the ZIP in your browser without uploading it, print it or save it as PDF, and see how this differs from e-Gov's own viewer.
MediaHow to Convert M4A to MP3 (iPhone Voice Memos) in Your Browser, Without Uploading
An .m4a from the iPhone Voice Memos app will not play on some Windows PCs and older players, and people you send it to may not be able to open it. Convert it to MP3 or WAV in your browser with nothing to install and nothing uploaded, and learn what M4A is and how to choose a bitrate.
