Compress photos and videos without uploading to strangers' servers. Everything stays on your iPhone.
Smart compression
Photos · Videos · PDFs
For iPhone users who want smaller files without sacrificing quality — and without uploading their memories to someone else's server.
Compress JPEG, HEIC, and PNG images while preserving visual quality. Choose your target size or quality level.
Reduce video file sizes using H.264 or H.265 codec. Adjust resolution and bitrate for optimal results.
Shrink PDF documents for easier sharing. Reduce file size while maintaining readability.
Compress multiple files at once. Save time when dealing with large albums or video collections.
FormatMaster ProChoose from Low, Medium, High, or Custom presets. See exactly how small your files will get before compressing.
FormatMaster ProTrack all your compressions. Compare before and after sizes. Know exactly how much you've saved.
Unlock unlimited compressions and advanced features with Pro.
¥12
Auto-renews monthly. Try Pro risk-free.
¥38
One-time purchase. Pro features forever.
No. All compression happens locally on your iPhone. Your photos and videos never leave your device.
It depends on the original file and your chosen quality setting. Typically, you can reduce image sizes by 40-80% and video sizes by 50-70% while maintaining good visual quality.
FormatMaster supports JPEG, HEIC, PNG for images, H.264 and H.265 for videos, and PDF documents.
FormatMaster is on the App Store. Questions? We're here to help.
[email protected]