Do you keep a copy of my processed files?
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No. Your images are compressed directly in your browser using JavaScript. We never upload or store anything on our servers.
Is CompressFast completely free to use?
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Yes! It's 100% free with no limits. You can compress as many images as you want — no account needed.
Which image formats are supported?
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We support JPG, JPEG, PNG, HEIC, and GIF. Support for WebP and AVIF is coming soon!
Why didn't my image compress much?
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If your image is already optimized, the tool won't reduce its size drastically. You can lower the quality slider for more compression.
Is CompressFast mobile-friendly?
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Yes, CompressFast is designed for mobile-first usage. You can upload and compress images from your phone browser easily.
Will I lose image quality after compression?
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You can choose the quality level. The default setting balances quality and size. You can adjust it using the slider before downloading.
Can I compress multiple images at once?
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Yes, you can upload and compress multiple images in one go. They will be zipped and downloaded together.