Formattery: File Converter

Convert any file — fast, private, and 100% on your device. Formattery converts images, documents, videos, and audio files instantly without uploading anything to the cloud. Your files never leave your iPhone or iPad. SUPPORTED FORMATS Images: HEIC/HEIF, WebP, AVIF, JPEG XL, SVG, PNG, JPG/JPEG, TIFF/TIF, BMP, GIF, ICO, PSD Camera RAW: DNG, CR2, NEF, ARW, ORF, RW2, RAF Documents: PDF, RTF Office: DOCX, XLSX, PPTX, CSV, ODT, ODP, XLS, Pages, Keynote (experimental) Video: MP4, MOV, MKV, WebM, AVI, FLV, WMV, 3GP, OGV Audio: MP3, M4A, WAV, AAC, AIFF, FLAC, OGG, Opus, WMA, AC3 Ebooks: ePub Subtitle: SRT, VTT, ASS, LRC, SBV, SUB GPS: GPX, KML, KMZ, GeoJSON, TCX 3D Models: STL, OBJ, PLY, DAE, USDZ Markup: Markdown (.md/.markdown), HTML/HTM, Plain Text Archive: ZIP, TAR, GZ/GZIP, 7Z, RAR, CBR, CBZ Tools: File Hash (MD5, SHA-1/256/384/512, CRC32), Metadata Viewer KEY FEATURES - 100% offline — no internet required, no cloud uploads - Batch conversion — convert multiple files at once - Adjustable quality — fine-tune compression and video resolution - Office documents — convert DOCX, XLSX, PPTX and more (experimental) - File preview — preview converted files before sharing - Source file thumbnails — see what you're converting at a glance - Quick Look preview — tap history to preview any converted file - Photo library integration — saves to a dedicated Formattery album - Conversion history — easily find and share past conversions - 3D model conversion — STL, OBJ, PLY, DAE, USDZ - ePub ebooks — read and create ePub files - Archive formats — ZIP, TAR, GZ, 7Z, RAR extraction - Dark mode — beautiful in any lighting FREE & PRO Image conversions are completely free. Upgrade once to unlock PDF, video, and audio conversions — no subscriptions, no ads, ever. PRIVACY FIRST Every conversion happens entirely on your device. We never collect data, track usage, or upload your files anywhere. What stays on your device is yours alone.