Change Image Quality
Re-encode an image at a chosen JPEG quality level. Runs entirely in your browser, so your data never leaves your device.
Drop a file here, or click to browse
Files never leave your device
Output
The result appears here as you type.
How to use Change Image Quality
- 1. Upload the image to re-encode. Drop in the photo you want to shrink or clean up. Any common image format is accepted and decoded before the quality pass.
- 2. Set the Quality level. Drag the Quality slider between 0 and 100. Lower values compress harder and shrink the file more but introduce visible JPEG blockiness; higher values stay closer to the original.
- 3. Download the re-encoded file. Save the JPEG once you are happy with the size versus visual quality tradeoff shown in the preview. The output is always re-encoded as JPEG.
When to use Change Image Quality
Change Image Quality re-encodes an image at a specific JPEG quality percentage so you control the compression tradeoff directly. It solves the problem of a photo file being larger than a page, upload limit or storage budget allows.
- Meeting an upload size limit. A form or CMS caps uploads at 2 megabytes and a phone photo comes in well over that. Dropping the quality to around 70 usually clears the limit with little visible loss.
- Speeding up a web page. A product page loads a dozen photos at full quality and feels slow on mobile connections. Re-encoding each at a lower quality trims the total page weight noticeably.
- Comparing compression tradeoffs. Before settling on a quality setting for an entire photo library, you want to see how a single representative image looks and weighs at 50, 70 and 90 percent.
Examples
Shrink a photo
Input
photo.png + quality 80
Output
photo.jpg re-encoded at 80% quality
About the Change Image Quality tool
Change Image Quality runs as plain JavaScript in your browser tab, with no server behind it. Re-encode an image at a chosen JPEG quality level. Whatever you put in stays on your device from start to finish.
The tool is part of EditSafely's Image Tools section, 200 single-purpose utilities built around the same idea: open the page, get the result, keep your data to yourself.
You can shape the output with the Quality setting, and the result refreshes the moment you change it. The finished file is put together in browser memory and saved with the Download button, so it never touches a server on the way to your disk. A worked example further down the page shows exactly what the tool produces for a real input.
That local-first design has practical benefits beyond privacy. The tool keeps working on a flaky connection once the page has loaded, results are instant because nothing round-trips to a server, and it is safe to use with confidential material.
Frequently asked questions
Is Change Image Quality free to use?
Yes, it is completely free. All 2,658 tools on EditSafely work without an account, a subscription or usage limits.
Are my files uploaded to a server?
Everything happens locally. Your browser downloads the tool's code once, then does all the processing itself; nothing you enter is transmitted, stored or logged. You can even go offline after the page loads and it will still work.
Which files does Change Image Quality accept?
It accepts images in any common format (PNG, JPG, WebP, GIF and more). There is no file size cap imposed by a server; very large files are limited only by your device's memory.
Do I need to sign up or install anything?
No. The tool works in any modern browser on desktop, tablet or phone. There is no account to create, no extension to add and no software to install.
How do I save the output?
Click the Download button once the result is ready. The file is built in your browser's memory and handed straight to your downloads folder, without passing through a server.