Convert to WebP — web performance and Core Web Vitals
Updated: May 2026
WebP reduces image size by 25 to 40% compared with JPEG. Convert to WebP for free and improve LCP and Core Web Vitals.
Apply this directly in the main browser-based tool.
Open the Image Compressor →What this page helps you do
Use this page when you need to convert to webp — web performance and core web vitals for a website, app, form, email or compatibility workflow.
- Keep the original file if you may need to edit it later.
- Use JPEG for forms and older software.
- Use WebP for smaller web assets when the destination accepts it.
Recommended settings
Choose WebP for modern web publishing, JPEG for broad compatibility, and PNG when transparency or lossless output matters.
How to do it with Flowfiles
- Add one or more images to Flowfiles.
- Choose the required output format.
- Set quality or target size if needed.
- Compress locally in the browser.
- Download each file or the ZIP archive.
Frequently asked questions
Is conversion private?
Yes. The file is processed in your browser and is not uploaded to a server.
Can I convert several images at once?
Yes. Add multiple files and download the converted results as a ZIP archive.
Does conversion always reduce size?
Not always. It depends on the input format, output format and image content.