FormatBox: File Converter
HEIC, PDF, MP4 & ZIP Tools
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Now convert PDF and EPUB, SVG images, and TTF/OTF fonts. Create encrypted ZIP files and extract 7Z/TAR — all on your iPhone, with no uploads.
Your all-in-one toolbox for photos, videos, PDFs, audio, and archives.
Convert, compress, resize, sign, and organize — 100% on your iPhone. No cloud, no uploads, no account, no data collection, ever.
WHAT YOU CAN DO
QUICK CONVERT
• HEIC to JPG, HEVC to H.264 — for universal compatibility
• Open modern web images (WebP, AVIF, JPEG XL) and convert to JPG
• Convert camera RAW files (DNG, CR2, NEF, ARW…) to JPG or HEIC, in batch
IMAGE TOOLS
• Resize by percentage, dimension, or target file size in KB
• Remove the background from any photo — transparent, white, or black
• Add a text watermark to photos and videos
• Batch rename files with a custom prefix, suffix, and numbering pattern
• Extract text from any photo with on-device OCR — copy it or export as .txt
• Crop, rotate, and adjust brightness/contrast before you share
PDF TOOLS
• Scan documents with your camera — automatic edge detection and perspective correction
• Combine photos into a PDF, or export every PDF page as an image
• Merge, split, reorder, and rotate PDF pages
• Draw a signature and stamp it onto any page
• Add a searchable, invisible OCR text layer to scanned PDFs
• Compress image-heavy PDFs to a fraction of the size
VIDEO & AUDIO
• Compress video to a target size — 10 MB, 25 MB, 50 MB, or custom
• Trim the start or end of any video, losslessly
• Extract audio from video as M4A
• Convert audio between M4A, WAV, FLAC, ALAC, and MP3 (128/192/320 kbps), with trimming
ARCHIVE TOOL
• Zip files together for sharing or backup
• Create password-protected ZIP files
• Extract ZIP, RAR, 7Z, and TAR archives
EBOOK, VECTOR & FONT TOOLS
• Convert PDF to EPUB and EPUB to PDF
• Convert SVG to PNG/JPG, or vectorize simple icons into SVG
• Convert TTF and OTF fonts with the bundled offline font engine
PRIVACY
• Strip GPS location, timestamps, and camera info from photos before you share them — see exactly what's embedded first
IPHONE SPECIAL
• Split Live Photos into a still JPG/HEIC and a motion MOV
• Turn animated GIFs into MP4 video
BATCH PROCESSING
Select 100+ files at once and convert them all in one tap. Mixed photos, videos, and formats welcome.
PRIVACY FIRST
Everything runs on your iPhone. No cloud uploads. No tracking. No ads. No accounts.
Terms of Use: https://taxlite.net/format_box/terms.html
Privacy Policy: https://taxlite.net/format_box/privacy.html
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
FormatBox v2.2 — More formats, still 100% on-device.
• Convert PDF to EPUB and EPUB to PDF.
• Convert SVG to PNG/JPG, or turn simple icons and logos into SVG.
• Convert TTF and OTF fonts with a bundled offline font engine.
• Create password-protected ZIP files and extract 7Z/TAR archives.
• Improved translations and expanded tap targets throughout the app.
No uploads. No tracking. No account required.
The developer, ZHENGQIAO JIANG, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- ZHENGQIAO JIANG
- Size
- 21.1 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 10 more
- English, Arabic, French, German, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Weekly $1.99
- Lifetime $79.99
- Yearly $29.99
- Monthly $4.99
- Copyright
- © Alex Jiang 2026