Optimize WebP
Re-encode a WebP at a sensible quality to shrink its file size. 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 Optimize WebP
- 1. Load the WebP to optimize. Drop or browse for the WebP image you want shrunk for the web. The tool measures its original size so it can report how much space the new version saves.
- 2. Set the Quality. Drag Quality (%) to a sensible middle ground, typically around 75 to 85, that keeps the photo looking sharp at normal sizes while noticeably reducing file weight.
- 3. Download the optimized WebP. Download the result along with the percent saved compared to the original file, giving a clear before-and-after figure for your records.
When to use Optimize WebP
Optimize WebP re-encodes an image at a sensible quality setting aimed at everyday web use, balancing visible sharpness against a smaller download. It is the practical middle ground between full quality and aggressive compression.
- Preparing images for a blog post. A blog post embeds several full-resolution photos straight from a camera, and optimizing each one keeps the page loading quickly without a visible drop in quality.
- Balancing quality and speed for an online store. A product page needs images sharp enough to show detail but light enough to load fast on mobile, and optimizing at a moderate quality setting meets both needs at once.
- Reducing storage costs for an image archive. A large library of stored photos is taking up more space than the budget allows, and optimizing each file trims the total footprint with only a minor quality tradeoff.
Examples
Shrink for the web
Input
photo.webp + quality 82
Output
photo.webp, smaller with % saved reported
About the Optimize WebP tool
Optimize WebP runs as plain JavaScript in your browser tab, with no server behind it. Re-encode a WebP at a sensible quality to shrink its file size. Whatever you put in stays on your device from start to finish.
The tool is part of EditSafely's WebP Tools section, 57 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 Optimize WebP 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 Optimize WebP accept?
It accepts WebP images. 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.