Free online tools that keep your files on your computer

176 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

PDF23 toolsEdit, convert, sign and compress PDFsOffice & documents24 toolsOpen Word, PowerPoint, Visio, Project and moreEmail, chats & backups14 toolsRead mailboxes, chat exports and phone backupsPhotos & images20 toolsCompress, convert, restore and clean up picturesVideo18 toolsCut, repair, convert and add to videosAudio15 toolsTrim, join, clean up and transcribe soundText & writing8 toolsMarkdown, OCR, word counts and fixing textDesign, 3D & maps21 toolsCAD, 3D models, scans, routes, fonts and codesData & spreadsheets23 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
Bulk QR Code GeneratorNewMake hundreds of QR codes or barcodes from an Excel or CSV list, as PNG or SVG files in a ZIP or a printable PDF label sheet.CBZ to PDFNewTurn .cbz, .cbr, .cb7 and .cbt comics and manga into PDFs without losing quality, or a PDF back into a .cbz.ChemDraw ViewerNewOpen ChemDraw .cdx and .cdxml drawings without ChemDraw: structures, arrows and captions, saved as SVG, PNG or MOL.Compress PowerPointNewMake .pptx, .docx and .xlsx files small enough to email: oversized pictures scaled to the size they are shown, unused media removed. Macros kept.EPUB to PDFNewTurn e-books into PDFs with real, searchable text, pictures and bookmarks, in A4, Letter or paperback sizes. One or many at once.Image to ExcelNewTurn a screenshot or photo of a table into an Excel sheet: check every cell in an editable grid beside the picture, then save or copy.Markdown to WordNewTurn Markdown or a ChatGPT answer into a .docx with real headings, lists, tables and editable equations.Merge Excel FilesNewCombine many Excel or CSV files into one sheet, matched by column heading, or a sheet per file - and split one sheet by a column or every N rows.

All tools

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