Choose or drop a JPG, set quality from 1 to 100 and compare the original and browser-generated WebP before downloading.
BROWSER-ONLY IMAGE CONVERSION
Convert one image at a time with an editable quality setting. Dimensions are preserved; PNG transparency is retained.
Drop a JPG here or choose a file
One JPG · Up to 25 MB · Up to 8,000 px per side / 16 million pixels.
Quality is a browser encoder setting, not a guaranteed file-size target. WebP output may be larger than the original. PNG alpha is preserved by an alpha-enabled canvas.
Images are processed locally in your browser and never uploaded or stored by Nimzoa.
Choose a valid raster image or paste image Base64; nothing is uploaded.
Review the verified image and choose a quality setting when converting to WebP.
Copy or download your browser-generated result after checking details.
Add one JPG/JPEG, review its decoded dimensions, choose WebP quality (default 80), convert and download the result.
Converts JPG in your browser with matching image signatures, decoded-pixel safeguards, original/output previews and size comparison.
Images are converted locally in your browser; no image is sent to a server. The WebP may be larger than its source.
No. Reading, previewing and WebP encoding run locally in your browser.
Yes. Choose an integer from 1 to 100. The default is 80 and your browser controls the exact encoding.
No. Some images produce a larger WebP. The tool displays actual before/after sizes without promising compression.
No. The canvas preserves the decoded pixel dimensions, subject to browser safety limits.
JPG and JPEG files with matching MIME and readable JPEG bytes. Some browser decoders may not support every JPEG variation.
The tool reports a conversion error. Use a browser with canvas WebP encoding support.