What is a image compressor?
An image compressor shrinks the file size of photos and graphics by removing data the eye barely notices. Smaller images load faster, save bandwidth and keep you under upload limits.
Everything happens in your browser — your photos are never uploaded to a server.
How to use the image compressor
- 1
Drop an image or click to browse — JPG, PNG and WebP all work.
- 2
Adjust the quality slider and watch the size preview update.
- 3
Compare the before/after file sizes.
- 4
Download the compressed image when you're happy with the balance.
Features of this image compressor
- ★Drag-and-drop JPG, PNG and WebP files
- ★Quality slider with instant size preview — find the smallest file that still looks great
- ★Before/after comparison so you can judge quality yourself
- ★Local processing — private and fast, even on big photos
Common mistakes
- ✗Compressing too aggressively — below a certain quality, faces and text turn blocky.
- ✗Using PNG for photos — it's lossless but huge; JPEG or WebP is far smaller.
- ✗Forgetting to resize first — compressing a 6000px photo for a 600px slot wastes effort.
- ✗Serving uncompressed images on a website — it's the most common cause of slow pages.
Tips that actually help
- ✓For web use, aim for under 200KB per image — compress until artifacts appear, then back off one notch.
- ✓WebP usually beats JPEG at the same quality — use it unless you need old-browser support.
- ✓Keep the original file — compression is lossy and can't be undone.
How Image Compressor works
Think of Image Compressor like a calculator app — except it lives on this page instead of your phone. When you type or drop a file, your own device does all the work. Nothing travels to the internet, so it's instant — and your stuff stays private.
You add something
Paste text or drop a file into the tool.
→Your device works
Your browser does the job — no internet needed.
→You get the result
Copy or download it. Nothing leaves your device.
Frequently asked questions
Is Image Compressor really free?+
Yes, 100% free. No sign-up, no trials, no hidden limits — just open it and use it.
Where does my data go?+
Nowhere. The tool works inside your browser, on your device. Nothing is uploaded, saved or shared — close the tab and everything is gone.
Do I need to install anything?+
Nope. It works in any modern browser — Chrome, Safari, Firefox or Edge — on phone, tablet or computer.
Is there a usage limit?+
None. Use it as many times as you like — there's no daily cap, no account, and no "premium" tier locked behind a paywall.
Does it work on mobile?+
Yes — the tool is fully responsive. File-heavy tools are more comfortable on a bigger screen, but everything works on phones too.
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