Image
Bulk WebP Converter
- Browser-based
- No signup
- Stays on your device
- Your file is processed in your browser and is not uploaded to our servers.
Upload up to 20 JPG or PNG images and convert them to WebP with adjustable quality. Download all outputs in one ZIP archive from your browser.
100% Client-Side
Your data never leaves your computer.
How to use this tool
1. Select multiple JPG or PNG images. 2. Set WebP quality (higher keeps more detail). 3. Click Convert to WebP. 4. Check the preview list for converted filenames. 5. Download all WebP files as a single ZIP.
Worked example
Example: ten 800×800 PNG icons at 85% quality often land near 40–60 KB each in WebP versus 120–200 KB as PNG.
How it works
Upload multiple JPG or PNG images and convert them to WebP in your browser. Adjust quality, then download all converted files in one ZIP archive.
Limitations
Results are based on the inputs you provide and may not cover every edge case. This tool is for general use and is not professional advice.
Privacy and file handling
Your data is processed in your browser and is not uploaded to our server.
Frequently asked questions
Is the Bulk WebP Converter free to use?
Yes. Utilnivo tools are free to use and do not require an account.
Are my inputs stored?
Utilnivo does not require an account. See the privacy note on this page for how your data is processed for this tool.
How do I get started with Bulk WebP Converter?
Open the tool on this page, enter your inputs, and use the on-screen controls. No account is required.
Part of these workflows
This tool is one step in a longer job. Jump straight to your step or open the full workflow guide.
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- Image Format Converter — Convert images between JPG, PNG, and WebP formats.
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