Photo KB: Resize & Compress

Resize photos to your upload limits: KB, MB and exact pixels. Convert HEIC to JPG on your iPhone. Try 3 photos free, then unlock once. No subscription.

Compress photos to KB or MB. Resize images to exact pixel dimensions. Convert HEIC and PNG to JPG, privately on your iPhone.

Need a photo under 200 KB at 600 x 800 pixels? Set both limits, process your picture, and check the real file size before you save.

SET THE REQUIREMENTS Keep the original dimensions, limit the longest edge, or enter an exact width and height. For example, choose 600 x 800 pixels and a file smaller than 200 KB. If both requirements cannot be met, Photo KB tells you instead of silently changing your dimensions.

CHECK BEFORE YOU SAVE See the finished JPG's exact byte count, pixel dimensions and format. Compare with the original and zoom in to check text, faces and edges. JPEG compression can reduce detail; you decide whether the result looks right.

KEEP YOUR ORIGINAL Import static JPEG, PNG or HEIC images from Photos or Files. Export a separate JPEG copy through the iPhone share sheet. Your original is never replaced or deleted. Fit the whole picture with a background, or choose a centered crop. Transparent areas use the displayed background.

PRIVATE, ON YOUR IPHONE Image processing happens on your device. No photo uploads, account, ads or analytics. An iCloud photo or file may need an internet connection to download before processing.

TRY THREE PHOTOS FREE Your first three personal photos include processing and export. Reprocessing the same selected photo does not use another credit. Samples, failures and cancelled jobs do not use credits. A one-time in-app purchase unlocks continued processing, batches and saved rules. No subscription. Restore your purchase with the same Apple Account.

USEFUL FOR REPEATED UPLOADS Save requirements for forms, work pictures and email attachments. Process a batch sequentially and retry items that need attention. Photo KB makes image files that match your chosen size and pixel limits; it does not submit forms or guarantee a website will accept a picture. It does not process PDFs, videos or animation.

1 KB = 1,000 bytes. 1 MB = 1,000,000 bytes. A successful output is strictly smaller than your chosen file limit.

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