Resize image to 50KB online.

Compress JPG, PNG, WebP, and document images to 50KB or less. Perfect for online application signatures, profile photos, and strict form upload limits.

Drop your image here, or browse files

Supports JPG, PNG, WebP, SVG, GIF, BMP, AVIF, TIFF, HEIC — up to 50MB (Zero server upload)

100% Private

Images never leave your device

No Upload Required

Browser-based processing only

Free Forever

No account, no limits

Instant Processing

No waiting for server uploads

How It Works

Compress any image in three steps.

No software to install. No account needed. Everything happens right in your browser.

Upload your image

Drag and drop your image or click to browse. Supports JPEG, PNG, and WebP files up to 50MB. No sign-up required.

Choose your target size

Select from popular presets (50KB, 100KB, 200KB, 500KB) or enter any custom size. Adjust output format between JPEG, PNG, and WebP.

Download instantly

Our algorithm finds the optimal quality level to hit your target size. Preview the result, then download your compressed image in one click.

FAQ

Frequently asked questions.

How can I reduce an image size to under 50KB?

Upload your photo above. The tool is pre-set to 50KB. Our algorithm computes the exact quality and resolution needed to keep the file under 50KB while retaining readability.

What is 50KB best used for?

50KB is commonly required for digital signatures, passport photo uploads, online voter registration, and small email signature badges.

Is my signature or photo safe?

Yes! The entire compression process executes inside your browser on your device. Your sensitive files and signatures are never sent to any server.