Free online tools that keep your files on your computer

149 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

PDF22 toolsEdit, convert, sign and compress PDFsOffice & documents19 toolsOpen Word, PowerPoint, Visio, Project and moreEmail, chats & backups9 toolsRead mailboxes, chat exports and phone backupsPhotos & images20 toolsCompress, convert, restore and clean up picturesVideo16 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 & spreadsheets16 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
CPAP Data ViewerNewOpen a ResMed CPAP SD card or EDF sleep recording: nights, hours of use, flow, pressure, leak and the machine's events.Extract Hardcoded SubtitlesNewRead subtitles burned into a video's picture with OCR, check and edit them, and save an SRT or VTT file.Fix Audio SyncNewMove a video's sound earlier or later to the millisecond, hear it in step, and save without re-encoding the picture.InfoPath Form ViewerNewOpen InfoPath .xsn templates and filled-in .xml forms without InfoPath, and turn a library of forms into Excel or CSV.PDF PosterNewPrint one PDF page or a picture as a big poster across many A4 or Letter sheets, with overlap, cut marks and an assembly map.Virtual Disk ConverterNewConvert a virtual machine's disk between VMDK, VHD, VHDX, VDI, QCOW2 and raw IMG for VMware, Hyper-V, VirtualBox, Proxmox or Azure.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.

All tools

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