Free online tools that keep your files on your computer

121 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

PDF19 toolsEdit, convert, sign and compress PDFsOffice & documents15 toolsOpen Word, PowerPoint, Visio, Project and moreEmail, chats & backups7 toolsRead mailboxes, chat exports and phone backupsPhotos & images16 toolsCompress, convert, restore and clean up picturesVideo12 toolsCut, repair, convert and add to videosAudio8 toolsTrim, join, clean up and transcribe soundText & writing7 toolsMarkdown, OCR, word counts and fixing textDesign, 3D & maps14 toolsCAD, 3D models, scans, routes, fonts and codesData & spreadsheets14 toolsCSV, Excel, databases and science formatsDeveloper & learning9 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
Add Music to VideoNewPut songs under a video, mixed with its own sound or replacing it, looped and faded. The picture is copied, not re-encoded.Audio JoinerNewJoin MP3s and recordings into one file, every track made equally loud, with gaps or crossfades and a chapter list.Bates NumberingNewStamp running Bates numbers on every page of one or many PDFs, with a legend and a production log.Blur FacesNewFind the faces in photos and videos and blur, pixelate or black them out - leave anyone visible with a click.Compress Image to KBNewMake a photo or scan fit an upload form's limit - under 20, 50 or 100 KB, at exact pixels and dpi if needed.Compress PDF to a SizeNewGet a PDF under 100 KB, 500 KB, 1 MB or any size a form asks for, with the gentlest compression that fits.Excel to PDFNewTurn a workbook into a PDF as Excel prints it: print areas, page setup, fit to page, repeating titles and formatting.JPG to PDFNewPut photos and scans - JPG, PNG, HEIC and more - into one PDF, a page each, with JPEGs kept exactly as they are.

All tools

Text & writing 7

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