Free online tools that keep your files on your computer

195 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.

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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

PDF26 toolsEdit, convert, sign and compress PDFsOffice & documents29 toolsOpen Word, PowerPoint, Visio, Project and moreEmail, chats & backups15 toolsRead mailboxes, chat exports and phone backupsPhotos & images22 toolsCompress, convert, restore and clean up picturesVideo19 toolsCut, repair, convert and add to videosAudio16 toolsTrim, join, clean up and transcribe soundText & writing9 toolsMarkdown, OCR, word counts and fixing textDesign, 3D & maps22 toolsCAD, 3D models, scans, routes, fonts and codesData & spreadsheets27 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
Excel to JSONNewTurn a spreadsheet into JSON: header row as keys, dates as ISO text, dotted headers as nested objects.JSON to CSVNewConvert JSON or JSON Lines to CSV with nested data flattened, your separator and a UTF-8 mark for Excel.JSON to ExcelNewTurn JSON or JSON Lines into an Excel sheet: nested objects as columns, lists as rows or sheets, with a preview.PDF to EPUBNewTurn a PDF book or report into a reflowable EPUB with chapters, contents, pictures and a cover.PowerPoint to WordNewTurn slides into a Word document: a picture of each slide, its text as editable headings and bullets, and the speaker notes.XML to ExcelNewTurn an XML file into a spreadsheet: repeating elements as rows, attributes and children as columns.GIF to MP4NewTurn animated GIFs into small MP4 videos for Instagram, TikTok and chats, at the GIF's own speed.M4A to MP3NewConvert M4A songs, iPhone voice memos and audiobooks to MP3, many at once, with tags and cover art kept.

All tools

Text & writing 9

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