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JPG to WebP
Convert JPG to WebP directly in your browser. Keep your dimensions, process a batch and download individual images or a ZIP.
JPGPNGWEBPNo account needed
Drop your JPG images here
One image or the whole folder’s worth.
JPG · Up to 50 MB per image · 100 imagesYour images 0
TOTAL SIZE
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GET THE RESULT YOU NEED
Convert JPG photos to WebP
Create WebP copies of JPEG photos for a destination that supports WebP. Conversion starts with the same pixel dimensions; you choose whether to resize or reduce encoding quality.
- Add JPG or JPEG images to the converter.
- Keep resizing off for the same dimensions, and adjust quality to suit your use.
- Convert the batch, compare visible detail and download the .webp files.
What to expect
WebP can be useful for website photos, but conversion does not guarantee a smaller file. Check the actual output size. Converting a JPEG cannot restore detail that was lost when the JPEG was originally created.
Will JPG to WebP change image dimensions?
Not unless you enable Resize large images. Conversion alone keeps the original pixel width and height.
Can WebP restore a blurry JPG?
No. Changing the file format does not recover missing detail or increase the resolution.
Can I use WebP on every upload form?
Check the destination first. Some forms require JPG or PNG even when a browser can display WebP.
HOW IT WORKS
How JPG to WEBP conversion works
A new format means a newly encoded file. Here is what changes—and what happens to quality, dimensions and transparency.
How JPG becomes WEBP
The browser decodes the JPG source to pixels and encodes a new WEBP file. This changes the file’s actual contents, rather than just its extension. Dimensions stay the same unless resizing is selected. Conversion cannot recover detail already lost in the source.
What does encoding mean?
Decoding turns the bytes in an image file into pixels that a browser can display. Encoding turns pixels back into a file, using the rules of JPG, PNG or WebP. It is not encryption. Our compression and conversion tools decode locally, draw the image onto a canvas and call the browser’s canvas.toBlob encoder. The browser supplies the codec, so results can vary between browsers.
How WebP compression works
Lossy WebP predicts image regions from neighbouring pixels, transforms the difference and quantizes it before coding the result. The format also supports a separate lossless mode, but this tool requests browser WebP encoding with a quality setting and does not expose a guaranteed lossless mode. Transparency can be retained. A lower quality setting often reduces size, although sharp text and fine textures may suffer.
What happens to quality and transparency?
WebP supports transparency and often produces compact web images, but savings depend on the source and quality setting. Converting PNG to this quality-controlled WebP output can change visible detail even when transparency remains.
Where processing happens
Your selected image is processed on your device, without an image upload. Canvas exports are new files and may change embedded metadata or colour information. Keep a master copy for archival work. Animated PNG and animated WebP are rejected; these tools handle static images.
How target-size compression works
Choose 100 KB, 200 KB, 500 KB or a custom decimal-KB limit. For JPG/WebP, the tool tries quality values from your selected maximum down to 10% and refines a successful bracket with a bounded binary search. When you explicitly allow smaller dimensions, it can also try up to eight downsizing steps. PNG ignores quality. Exact resizer dimensions are preserved. Only a measured output within the byte limit is marked Target met; otherwise the smallest tested candidate is marked Above target. This is a bounded search, not proof of a globally optimal result.
Metadata choice
Preserve supported metadata is the default: EXIF dates, camera and GPS fields are copied, with orientation reset after decoding and dimensions updated. PNG text/dates and JPG comments stay within their format. XMP, IPTC and original colour profiles are not transferred; embedded preview links are cleared. Retained metadata is included in target-size measurements. Remove metadata omits source metadata and disables the original-file fallback. Filesystem download dates are separate.
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Compare the original and the result before downloading. You choose the balance between quality and size.
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GOOD TO KNOW
A few small details.
Better images start with the right settings.
Which format should I choose?
WebP is a useful starting point for website photos and transparent graphics. JPG suits photos when you need a JPEG file; transparent areas become white. PNG uses lossless encoding and keeps transparency, but often creates larger files.
Will compression change image quality?
JPG and WebP use lossy compression: lower quality usually means smaller files and more visible changes. Use Compare to inspect your result. PNG encoding is lossless, but resizing still changes pixels. PNG conversion can increase file size. This tool uses your browser’s image encoders, so results can differ between browsers.
Why is my image already small?
If the output uses the same format and dimensions but is larger than the original, we keep your original file. Changing formats or dimensions can still create a larger result; the actual size is always shown. The quality slider doesn’t affect PNG encoding.
Are there file limits?
Add up to 100 static images, 50 MB per image and 200 MB of original files per batch. Each image must be within 40 megapixels and 16,384 pixels on either side. Animated PNG and WebP are rejected to protect their animation. GIF, SVG, HEIC and AVIF aren’t supported in this version. Large batches depend on your device’s memory.
Are my images uploaded or saved?
This tool processes selected images locally in this browser tab and doesn’t send image files to a server. Your site’s hosting, analytics or other plugins may separately collect normal website visit data. Download results you want to keep before clearing the list or leaving. Re-encoding generally removes file metadata; an original file kept because it was smaller retains its existing metadata. This isn’t a metadata sanitization tool.