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About Compress to KB

Compress to KB is a simple, private photo compression utility for iPhone. Use it when a website, form, exam registration, profile upload, or document submission requires a smaller image file. Key features: - Compress a photo to a target size such as 20 KB, 50 KB, 100 KB, 200 KB, or 500 KB - Enter a custom target KB size - Resize images by pixel width and height - Keep aspect ratio while resizing - Convert HEIC photos to JPG - Export as JPG or PNG - Remove EXIF, GPS, camera, and device metadata on export - Compare original size, output size, and dimensions - Save to Photos, share, or export to Files Privacy first: All image processing happens on your device. No account, no ads, no cloud upload, and no backend server are required for the core features. Free users can export 3 times. Pro is a one-time purchase that unlocks unlimited exports.

What’s new

Version 1.0.1 · Updated July 13, 2026

Added English localization for the app interface and App Store listing.

App privacy

The developer, 斌 杨, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

Alternatives to Compress to KB

Looking for apps like Compress to KB? Here are 6 similar apps on the App Store. The highest rated is Photo Video Compressor KB (5.0/5), and all 6 are free to download.

Compress to KB vs. alternatives
App Rating Price Last updated Compare
Compress to KB – Free July 13, 2026
Photo Video Compressor KB 5.0 / 5 (1) Free Aug 11, 2026 Compare
SimProcedures – Free Sep 30, 2026 Compare
TargetKB Photo PDF Compress 5.0 / 5 (1) Free Sep 19, 2026 Compare
PDF&Image Pro:Compress Convert – Free Mar 12, 2026 Compare
Image Compressor: Exact KB – Free Jun 12, 2026 Compare
Image Converter: PNG PDF JPG 5.0 / 5 (1) Free Oct 6, 2026 Compare

Compare Compress to KB with the top alternatives: ratings, updates, ASO score and keyword gaps →