100% Local File Converter

Convert any file on your phone — offline, free, with no upload. 100% Local File Converter turns 5,890 file format pairs across 148 formats, right on your device. No server. No sign-in. No file size limit. Your files never leave your phone. ──────────────────────────────────── WHAT PEOPLE ACTUALLY SEARCH FOR ──────────────────────────────────── HEIC to JPG · WebP to PNG · MP4 to MP3 · PDF to JPG · JPG to PDF DOCX to PDF · MKV to MP4 · CSV to JSON · SRT to VTT · ZIP to TAR AVIF to PNG · MOV to MP4 · TIFF to JPG · FLAC to MP3 · PNG to PDF HEIF to JPG · OGG to MP3 · WAV to MP3 · HTML to PDF · XML to CSV ──────────────────────────────────── 148 FORMATS, 9 FAMILIES ──────────────────────────────────── Image converter — PNG, JPG, WebP, AVIF, HEIC, HEIF, TIFF, BMP, GIF, ICO, JPEG 2000, QOI, PSD, EXR, HDR, TGA, PCX, DDS and more Audio converter — MP3, WAV, FLAC, AAC, M4A, OGG, Opus, ALAC, AIFF, WMA, AC3, AMR, WavPack, Musepack and more Video converter — MP4, MKV, AVI, MOV, WebM, FLV, WMV, MPEG, 3GP, TS, OGV, MXF and more PDF converter — PDF to JPG, JPG to PDF, DOCX to PDF, HTML to PDF, PNG to PDF, and page-range control Document converter — PDF, DOCX, ODT, RTF, Markdown, HTML, LaTeX, reStructuredText, TXT Data converter — JSON, CSV, TSV, XML, YAML, NDJSON, INI, TOML, SQL Archive converter — ZIP, TAR, TAR.GZ, TAR.BZ2, TAR.XZ, GZ, BZ2, XZ Subtitle converter — SRT, VTT, ASS, SSA, SBV, SUB, LRC, TTML, DFXP, SAMI eBook converter — EPUB, FB2 Font converter — TTF, OTF, TTC, WOFF ──────────────────────────────────── FEATURES ──────────────────────────────────── Smart picker — select any file and the app shows every format it can become. No dead ends, no guessing. Batch conversion — queue dozens of files and convert them all at once. Real progress bars for the batch and for each file. Bulk ZIP — drop in a ZIP and it converts everything inside, then packs the results into a new ZIP. Fine control — adjust quality, bitrate, sample rate, video resolution, frame rate, PDF page ranges and render density. Strip EXIF metadata with one tap. Built-in previews — see your converted file instantly, even for unusual formats no other app on your phone can open. History — every conversion you have ever made, with time taken and space saved. File manager — search, sort, multi-select, share, delete, or re-convert your output files without leaving the app. ──────────────────────────────────── WHY OFFLINE MATTERS ──────────────────────────────────── Your files stay on your phone. There is no server, no upload, no queue. It works on a plane, on the metro, with zero signal. No 100 MB cap, no daily limit, no "upgrade to unlock this format." The conversion engine runs entirely on your device. The only network use in the app is the ad banner. ──────────────────────────────────── DESIGN ──────────────────────────────────── Pure black and white — white on black in dark mode, black on white in light mode. A field of stars drifts behind everything and picks up speed while a conversion runs. ──────────────────────────────────── OPEN SOURCE ──────────────────────────────────── The full source code is available. Every conversion runs locally. You can verify that nothing leaves your device. ──────────────────────────────────── FREE · AD-SUPPORTED · NO ACCOUNT ──────────────────────────────────── The app is free. If it saves you time, there is a tip jar in Settings.