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.