JPG to WebP Converter
Drop a JPG, get a WebP that's meaningfully smaller at the same quality. Runs on your device — no upload.
Drop your JPG file here
Converts to .webp — stays on your device
Why convert JPG to WebP?
- Shrinking WordPress or Shopify product images to hit Core Web Vitals LCP targets without swapping plugins.
- Reducing Cloudflare, Fastly, or Bunny CDN egress by serving WebP to modern browsers.
- Preparing hero images for Next.js, Nuxt, SvelteKit, or Astro sites where WebP is the modern default.
- Slimming down marketing page assets so Google PageSpeed Insights stops complaining about 'serve images in next-gen formats'.
- Optimizing Instagram ad creative uploads where the platform re-compresses anyway — start from a cleaner, smaller WebP master.
- Cutting the weight of image-heavy blogs, documentation sites, or newsletters embedded with MJML.
How our converter works
Your JPG is decoded and re-encoded as WebP using the browser's native Canvas API — no WebAssembly download, no server round trip. A typical photograph drops 25–35% in size with no perceptible quality change. The entire pipeline runs in your browser tab, so marketing teams can convert client photography, SaaS teams can batch asset pipelines, and freelancers can meet performance SLAs without handing files to yet another third-party tool.
JPG vs WebP — what's the difference?
| Feature | JPG | WebP |
|---|---|---|
| Typical file size | Baseline | 25–35% smaller at same quality |
| Compression | Lossy only | Lossy or lossless |
| Transparency | No | Yes (like PNG) |
| Browser support | Universal, forever | All modern browsers; none from the IE era |
| Design tool support | Universal | Photoshop, Figma, Sketch — but check older versions |
Frequently asked questions
Will WebP actually load faster than JPG?
Usually yes, because WebP payloads are smaller and smaller bytes mean faster transfers. The decode step is comparable. For a page with 10–20 images, a full WebP swap often shaves 0.3–1.0s off LCP.
Is there any quality loss converting JPG to WebP?
A small amount, because WebP re-encodes the already-compressed JPG. At 90% WebP quality this is practically invisible. If you have the original RAW or PNG, encoding from there gives a better result.
Do all browsers and email clients support WebP?
Browsers: yes, everything from the last several years. Email clients: partial — Gmail and Apple Mail support it, Outlook desktop historically did not. For email campaigns, stick with JPG or include a fallback.
Should I keep the JPG originals?
Yes, as a backup. If a platform down the road rejects WebP, you want the original JPG to convert from, not the WebP (which would mean a second re-encode).
Is WebP better than AVIF?
AVIF is smaller at the same quality, but slower to encode and less widely supported in tooling. For 2026 production, WebP is the safe default; reach for AVIF when every byte counts.
Does this work for batch conversions?
Yes. Multiple files convert sequentially. For batches over three, the output is offered as a ZIP. Nothing leaves your browser.
About the JPG format
WebP was released by Google in 2010, designed specifically for web delivery. It supports lossy compression (like JPG), lossless compression (like PNG), transparency, and animation — typically achieving 25–35% smaller files than the equivalent JPG at matched quality. By 2020 every major browser supported it, and modern hosting platforms, image CDNs, and site generators handle it as a first-class format. Converting JPG libraries to WebP is one of the highest-leverage performance wins a site can make without touching code.