Frequently Asked Questions

🔒 Do you keep a copy of my processed files? ⌄

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? ⌄

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? ⌄

We support JPG, JPEG, PNG, HEIC, and GIF. Support for WebP and AVIF is coming soon!

📉 Why didn't my image compress much? ⌄

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? ⌄

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? ⌄

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? ⌄

Yes, you can upload and compress multiple images in one go. They will be zipped and downloaded together.

If you can't find the answer you're looking for, please don't hesitate to reach out to our support team.