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A quick way to understand who this helps, what it solves, and where it connects next.
People preparing web graphics, support animations, storefront assets, and lightweight embeds that already use WebP
Reducing WebP size without switching formats or routing the file through a generic image compressor
Capture dedicated WebP optimizer intent with a focused page for still and animated WebP files
Cleanor Labs
These sections explain the job in plain language and set expectations for what the tool should do well.
Optimizing a WebP with this tool is a quick, preset-driven job that stays entirely in your browser. You load one still or animated WebP, choose a lighter preset, and export a smaller file — nothing is uploaded to a server at any point.
Because the tool keeps the file in WebP format, the goal is purely size reduction rather than conversion. That makes it ideal for trimming page weight on assets you already use as WebP, including animations, without juggling format settings.
A dedicated WebP optimizer is useful because the intent here is not format conversion — it is keeping WebP and making it lighter. Generic image compressors often bury that intent inside broader controls, so a focused tool keeps the controls and messaging clear.
For tighter manual control over a single still WebP, the WebP Quality Recompressor offers direct quality, lossless, and method settings. This optimizer is the faster choice when you want a good result from a preset, especially for animated WebP files.
Short answers for the questions people usually have before trying a utility like this.
Yes. The WebP Optimizer is completely free and runs entirely in your browser with no sign-up or upload.
No. Optimization runs locally in your browser, so the WebP stays on your device and is never uploaded to a server.
Yes. The optimizer accepts both still and animated WebP files and exports a lighter WebP result locally.
Usually yes. This page is for fast preset-driven optimization. The WebP Quality Recompressor is for still WebP when you want tighter manual quality control.
Yes. The optimizer runs in the browser, so you can compress WebP files on a phone or tablet with the file staying on your device.
Every tool on Cleanor is free with no sign-up, no credits, and no limits. Files are processed privately in your browser. Looking for on-device phone cleanup and Premium features? That lives in the Cleanor app.
Shrink WebP files locally with cleaner browser-side presets for quality, animation timing, and lighter delivery.