How do I convert JPG to WebP online for free?

Upload your JPG files to Squish, adjust the quality slider if needed, then click Convert. Your WebP files download instantly. Nothing is ever uploaded to a server — conversion runs entirely in your browser.

Is it safe to convert images with Squish?

Yes. Squish processes all images locally in your browser using JavaScript and WebAssembly. Your files never leave your device — no server receives your images.

How much smaller will my images be after converting to WebP?

WebP is typically 25–80% smaller than JPG or PNG at equivalent visual quality. Results vary by image content: photos compress more than graphics with solid colors.

Can I convert HEIC files to WebP?

Yes. Squish supports HEIC (iPhone photos), AVIF, GIF, BMP, SVG, and most other image formats in addition to JPG and PNG.

Can I convert multiple images at once?

Yes. Drop any number of files or a ZIP archive containing images. Squish converts them all in parallel and lets you download the results as a ZIP preserving your folder structure.

WebP Converter - Bulk Convert JPG PNG HEIC to WebP Free

WebP Converter

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Drop images or folders here, or click to browse

JPG, PNG, BMP, TIFF, GIF, HEIC, AVIF, SVG · Max 4 MB per file

Free Online WebP Converter

Squish converts JPG, PNG, HEIC, AVIF and GIF images to WebP in bulk — directly in your browser. WebP files are 25-80% smaller than JPEG with the same visual quality, making them ideal for websites and apps. No uploads, no account, no limits.

Up to 80% Smaller

WebP outperforms JPEG and PNG on file size. Convert your entire image library and cut your site's bandwidth.

Batch + ZIP Support

Drop hundreds of images or a ZIP archive. Convert all at once and download results as a ZIP preserving folder structure.

Lossless or Lossy

Choose lossless for pixel-perfect output or lossy with custom quality (1-100) for the smallest possible file size.

Frequently Asked Questions

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WebP Converter - Free Online Bulk Image Converter