Free online tools that keep your files on your computer

143 free tools for PDFs, Office files, photos, video, audio and data. No ads and no sign-up, and nearly all of them work inside this tab, so your files never leave your machine. Why that matters.

Built by John McMillan, a senior full-stack engineer who is open to remote roles. See what I can do for your team.

Drop any file here to open it

PDF, Word, PowerPoint, Visio, Project, mailboxes, CAD drawings, videos and hundreds of other types. The right tool opens it; nothing is uploaded.

Or find the tool by file type

PDF21 toolsEdit, convert, sign and compress PDFsOffice & documents18 toolsOpen Word, PowerPoint, Visio, Project and moreEmail, chats & backups9 toolsRead mailboxes, chat exports and phone backupsPhotos & images20 toolsCompress, convert, restore and clean up picturesVideo14 toolsCut, repair, convert and add to videosAudio11 toolsTrim, join, clean up and transcribe soundText & writing7 toolsMarkdown, OCR, word counts and fixing textDesign, 3D & maps19 toolsCAD, 3D models, scans, routes, fonts and codesData & spreadsheets14 toolsCSV, Excel, databases and science formatsDeveloper & learning10 toolsCode, hashes and IDs, plus typing and maths practice
the most used tools
Video RepairFix an MP4 or MOV that stopped recording before it finished and won't play, using a working clip from the same camera.Equation EditorClick symbols, find one by name, start from a library of common formulas or type LaTeX, then paste the equation into Word, Google Docs or a web page.Video CutterTrim a video, cut parts out, join clips, remove the sound or fix the rotation without re-encoding, so nothing loses quality.MPP ViewerOpen a Microsoft Project .mpp file without Project: the task list, Gantt chart and resources, saved as Excel, CSV, XML or PDF.DAV to MP4Turn CCTV recordings (Dahua .dav, Hikvision, raw .264) into MP4s that play anywhere, without re-encoding.CorelDRAW ViewerOpen a .cdr file without CorelDRAW and save each page as SVG, PNG or PDF, all in your browser.Access Database ViewerOpen an .mdb or .accdb without Microsoft Access - on a Mac too - browse its tables and save them as Excel, CSV or SQLite.SketchUp ViewerOpen a SketchUp .skp model without SketchUp, switch its tags on and off, and save it as GLB, OBJ or STL.

New

the latest additions
Android Backup ExtractorNewOpen .ab backups from adb backup, password-protected ones too, and save the apps' files as ZIP or TAR.AppleWorks ViewerNewOpen old AppleWorks and ClarisWorks .cwk files: documents, spreadsheets, databases and drawings, saved as Word, Excel or PDF.Compare Excel FilesNewEvery difference between two spreadsheets: changed cells, rows added and removed, matched by an ID column.Compress Video for DiscordNewShrink a video under Discord's 20 MB free limit, or the Nitro and boosted-server limits, as an MP4 that plays in the chat.EAGLE ViewerNewOpen Autodesk EAGLE .brd boards and .sch schematics without EAGLE: layers, parts list and nets.EML to PST ConverterNewPut .eml and .msg files, folders of them, or an mbox mailbox into one Outlook .pst file, folders and attachments kept.FreeHand ViewerNewOpen Macromedia FreeHand drawings without FreeHand, and save them as SVG, PDF or PNG.HP-GL ViewerNewOpen .plt and .hpgl plot files from CAD, plotters and cutters, pen by pen, and save them as SVG, PDF, PNG or DXF.

All tools

Text & writing 7

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