JPG to WebP Converter
Convert JPG or JPEG images to lightweight WebP files under 100KB. The conversion happens in your browser, and your images are never uploaded.
Drop your image here
or click to browse — JPG or JPEG
Your image is processed locally in your browser and never uploaded.
JPG vs WebP — What Is the Difference?
JPG (or JPEG) has been the standard image format for photos on the web for decades. It compresses images by discarding some detail in areas the human eye is less sensitive to. This works well, but the compression algorithm dates back to 1992.
WebP is a newer format developed by Google that uses more modern compression techniques. It can produce image files that are 25–35% smaller than equivalent-quality JPG files while looking nearly identical. WebP also supports both lossy and lossless compression, transparency (like PNG), and animation (like GIF), all in one format.
For website images, WebP is a practical choice because smaller files mean faster page loads and lower bandwidth usage for visitors. Most modern browsers — Chrome, Firefox, Edge, Safari, and Opera — support WebP, making it safe to use across the web.
Why WebP Files Are Smaller Than JPG
WebP achieves smaller file sizes through several technical improvements over JPG. Its block prediction and adaptive block quantization analyze image data more efficiently. It also uses a better entropy coding method and supports additional filtering techniques that preserve edge sharpness while reducing file size.
In practice, this means a WebP image at quality level 80 often looks similar to a JPG at quality 90 while being noticeably smaller. The compression savings are most visible in photos with smooth gradients, natural scenes, and web graphics — which covers most images used on websites.
What This Tool Does with Your JPG
Accepts JPG and JPEG
Both .jpg and .jpeg extensions are accepted. PNG and WebP files are rejected on this page — use those on the general image compressor.
Converts to WebP
Your JPG is converted to WebP format in your browser using the Canvas API. No server processing is involved.
Compresses under 100KB
The tool applies quality adjustment and optional resizing to bring the WebP output under 100KB before enabling the download.
Preserves aspect ratio
If resizing is needed to reach the target, the tool maintains the original width-to-height proportions. No stretching or distortion.
Converting JPG to WebP Under 100KB
This tool targets 100KB as the output limit. When you upload a JPG, the tool converts it to WebP and adjusts compression quality to find the best visual result under 100KB. If the JPG is very large — perhaps from a digital camera at 4000px or wider — the tool may reduce dimensions to reach the target size.
You can use the optional resize control to set a max width like 1200px or 800px before compression, which often produces better results for web use. The download button is only shown when the output WebP file is verified to be 100KB or less. If the conversion cannot reach the target, the tool shows actionable tips to help you adjust settings.
When JPG to WebP Conversion Is Useful
Website migration
Convert an existing JPG image library to WebP so pages load faster without changing the visual design.
Blog optimization
Convert blog post hero images and in-content photos from JPG to WebP for better page speed.
Product photos
Convert JPG product images to WebP before uploading to an e-commerce platform that supports the format.
Email newsletters
Convert JPG newsletter images to smaller WebP files so emails are lighter and more deliverable.
Portfolio sites
Convert JPG portfolio images to WebP so galleries load smoothly without long wait times.
Social media prep
Convert JPG photos to WebP under 100KB before uploading to platforms with file size limits.
Browser-Based Privacy for JPG Conversion
Your JPG images stay on your device. The conversion to WebP and compression to 100KB happens entirely in your browser using the Canvas API and built-in WebP encoder. Files are not uploaded, stored, or accessible by any server or third party. Once you close the browser tab, all image data is removed. This means you can convert personal photos, sensitive documents, and work images without worrying about where they end up.
What to do if a JPG cannot fit under 100KB
If your JPG is too large or detailed to fit under 100KB as a WebP file, try switching the compression mode to Smallest File. Enable the resize option and set a max width of 1200px or 800px. If the image still cannot reach 100KB, consider whether a lower resolution version would still serve your purpose — many web uses do not need images wider than 1200px.
For JPG files with a strict 100KB size target, use the compress JPG to 100KBpage. For general single-image compression of any format, use the image compressor. If you need a strict 100KB target with detailed guidance, the compress image to 100KB tool is available.
Frequently Asked Questions
Can I convert JPEG files too?▼
Yes. Both .jpg and .jpeg extensions are accepted. The tool treats them the same way and converts both to WebP under 100KB.
Is WebP smaller than JPG?▼
Yes, usually. WebP compression typically produces files 25–35% smaller than equivalent-quality JPG images, helping pages use less bandwidth and load faster.
Will the output be under 100KB?▼
The tool compresses the WebP output to 100KB or less. The final file may be slightly below 100KB so it never exceeds the limit.
Are my JPG images uploaded?▼
No. The conversion happens in your browser using the Canvas API. Your images are never uploaded to a server.
Can I convert multiple JPG images at once?▼
Yes. Use the bulk image to WebP converter to process up to 20 images in a single batch and download them as a ZIP file with a CSV compression report.