Solution
Convert to WebP — completely without an upload
WebP delivers strong compression for photos and UI graphics. ConV builds WebP files locally using WebAssembly codecs, parallelized across Web Workers.
That makes the workflow a fit for security-conscious teams that do not want to hand image bytes to third-party APIs.
Batch conversion with per-image quality controls and ZIP export keeps the workflow efficient for large sets.
Avantages clés
- Converts JPEG, PNG, AVIF to WebP in the browser
- Uses libwebp compiled to WebAssembly for native-quality output
- No filenames or pixel data sent to any external server
- Batch convert dozens of images at once
Cas d'usage courants
- Frontend developers preparing WebP assets for web projects
- Designers exporting images for CMS upload
- Agencies converting client image sets under NDA
- E-commerce teams preparing WebP product images
Comment ça fonctionne
- 01
Drop JPEG, PNG, or AVIF files into the tool
- 02
Select WebP as output format and set quality
- 03
Workers convert files in parallel using libwebp WASM
- 04
Download all WebP files as a ZIP
Limitations et attentes réalistes
Animated WebP from video sources is not supported. Very large source files may be slow depending on device hardware.
Questions fréquentes
Which input formats can I convert to WebP?
JPEG, PNG, and AVIF are supported as inputs for WebP conversion.
Is WebP conversion lossless or lossy?
You can configure the quality level. Lower quality = smaller file; 100 = near-lossless.
Are my images uploaded during conversion?
No. All conversion runs in your browser using WebAssembly. Nothing is sent to a server.
Does WebP have broad browser support?
Yes. All modern browsers support WebP. For very old browser targets, provide JPEG fallbacks.
Solutions associées
Create AVIF — in your own browser, the privacy-friendly way
AVIF often saves even more bytes than WebP. Encoding is CPU-heavy — ConV uses Web Workers to keep the UI responsive while encoding runs in parallel.
Compress multiple images locally and export them as ZIP
Processing images one at a time is impractical for agencies, content teams, and e-commerce workflows. ConV's batch mode handles dozens of images in a single session with parallel encoding and ZIP export.
No-upload image optimizer for private workflows
Most image optimizers send your files to a remote server. ConV takes a different approach: the entire compression pipeline runs inside your browser using WebAssembly.
Ouvrir l'optimiseur
Ouvrir l'optimiseur