What file formats can I compress?

JPEG, PNG, and WebP images are supported. HEIC files should be converted to JPEG first.

How much can it compress an image?

Typical savings are 30–70% with minimal visible quality loss at the default quality setting, though results vary by image content.

Is my image uploaded to a server?

No. Compression uses the browser's Canvas API entirely on your device. Your image never leaves your computer.

Image Compressor — Compress JPEG, PNG & WebP Online

Reduce the file size of JPEG, PNG, or WebP images directly in your browser — no upload to a server required. Use the quality slider to balance compression against visual fidelity, and see the before-and-after file sizes side by side. Smaller images load faster, score better on Core Web Vitals, and save storage costs.

Frequently Asked Questions

What file formats can I compress?: JPEG, PNG, and WebP images are supported. HEIC files should be converted to JPEG first.
How much can it compress an image?: Typical savings are 30–70% with minimal visible quality loss at the default quality setting, though results vary by image content.
Is my image uploaded to a server?: No. Compression uses the browser's Canvas API entirely on your device. Your image never leaves your computer.

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