How to Convert JPG to WebP Online
WebPis Google's modern image format that looks the same as a JPG but is typically 25–35% smaller. For websites and apps, that means faster loading and better Core Web Vitals. This free JPG to WebP converter runs entirely in your browser, so your images are never uploaded. Convert one file or a whole batch, then download them all as a ZIP.
Add your JPG images
Drop one or many .jpg files. They are converted locally on your device, never uploaded.
Convert to WebP
Pick your WebP quality and convert — each JPG becomes a smaller WebP in seconds.
Download the WebP files
See the size saved for each file, then save one image or grab your whole batch as a ZIP.
Why Convert JPG to WebP
WebP is the go-to format for web performance. Converting from JPG makes sense when:
Much smaller files
WebP is typically 25–35% smaller than JPG at the same visual quality, so pages load faster and use less bandwidth.
Better website speed
Smaller images improve loading time and Core Web Vitals, which helps both users and SEO rankings.
Same quality
At a high quality setting a WebP looks identical to the JPG — you just get a lighter file.
Modern browser support
Every current browser — Chrome, Edge, Firefox, Safari — displays WebP natively.
Runs in your browser
Your images are converted on your own device and never uploaded, so it's private and instant.
Some old apps can't open WebP
Honest note: very old software may not read WebP. If you need maximum compatibility, keep JPG or use WebP to JPG later.
Free and 100% Private
This converter is genuinely free and genuinely private. There is no account and no daily cap — and because every image is processed by your own browser, your files never leave your device. Nothing is uploaded, stored or seen by anyone, and your WebP files have no watermark.
Need the reverse for compatibility? Use WebP to JPG. Converting graphics with transparency? Try PNG to WebP, or shrink files further with Compress Image.
JPG to WebP on Any Device
How to convert JPG to WebP on Windows
Open this page in Chrome, Edge or Firefox, drop your .jpg files, pick a quality and convert. You get smaller WebP files ready for the web — no software needed.
How to convert JPG to WebP on Mac
Open the page in Safari or Chrome, add your JPG images, and download the WebP files. Everything runs locally, so it's fast and private.
How to convert JPG to WebP on iPhone or Android
Open this page in your phone's browser, tap to pick the JPG files, convert, and save the WebP files to your device.
How to convert JPG to WebP for a website
Set the quality around 80–85% for the best balance of size and looks, convert in a batch, and upload the WebP files to your site for faster loading.
How to bulk convert JPG to WebP
Add as many JPG files as you like — this tool converts them all in one batch and lets you download every WebP as a single ZIP.
How to convert JPG to WebP without losing quality
Set the quality slider to 90–100%. The WebP will look identical to the JPG while still being smaller.
Frequently Asked Questions
How do I convert JPG to WebP for free?
Add your JPG images above and click Convert. Each becomes a smaller WebP in seconds — completely free, with no signup and no watermark.
Are my images uploaded to a server?
No. JPG files are converted right inside your browser, so your images never leave your device. Nothing is uploaded, stored or seen by anyone.
How much smaller is WebP than JPG?
Usually 25–35% smaller at the same visual quality. The tool shows the exact before-and-after size and percentage saved for each file.
Will converting lose quality?
Not noticeably at a high quality setting. A WebP at 85–100% looks identical to the JPG while being lighter.
Can I convert many JPG images at once?
Yes. Add as many as you like, convert them in one batch, then download each WebP or all of them together as a single ZIP.
Do browsers support WebP?
Yes. Every current browser — Chrome, Edge, Firefox and Safari — displays WebP natively. Export requires a modern browser like Chrome, Edge or Firefox.
Is WebP good for websites?
Yes. Smaller images speed up page loading and improve Core Web Vitals, which benefits both users and SEO.
Does it work on my phone?
Yes. It runs in any modern mobile browser on iPhone and Android — pick your JPG files and save the WebP files.
Is there a file size or count limit?
There is no fixed limit. Very large images just take a moment longer since everything runs on your device.
Do I need to install anything?
No. It works in your web browser on any device with nothing to download or install.
Is this JPG to WebP converter really free?
Completely free, with no account, no watermark, no limit and no premium wall.
100% private — your JPG images are converted right here in your browser and never uploaded to any server.
Last updated: July 2026 · FlipMyFormat JPG to WebP Converter
Written and maintained by the FlipMyFormat team