Fonctionnement
Générez des UUID v4 cryptographiques — copiez autant que nécessaire.
Générez des UUID v4 conformes instantanément.
How many UUIDs?
Generated UUIDs (v4)
Générez des UUID v4 cryptographiques — copiez autant que nécessaire.
Conversions run in your tab with JavaScript — no desktop app required.
Files stay on your device during processing. We do not receive your uploads.
Heavy codecs and AI models run locally via Web Workers and WASM (FFmpeg.wasm, Transformers.js).
Générez des UUID v4 cryptographiques — copiez autant que nécessaire.
UUID v4 aléatoire — vérifiez l’unicité en base. Traitement 100 % hors ligne dans le navigateur — les fichiers ne quittent jamais votre appareil.
Yes. This tool is free convert online with no signup. Processing stays in your browser — no uploads.
You control quality settings. Choose higher quality for no quality loss when converting online.
Every conversion runs inside your browser tab using JavaScript and Web Workers. There is no background server queue and no account is required for core tools.
Your files are never uploaded to FreeConvertKit for processing. Originals, previews, and exports stay on your device unless you choose to download or share them yourself.
When codecs or AI models are needed, WebAssembly modules such as FFmpeg.wasm and Transformers.js execute locally — giving you desktop-class power with absolute file privacy.
Créez des mots de passe forts personnalisés.
Créez des codes QR pour URL, texte, Wi‑Fi, etc. — générés sur votre appareil.
Convertissez MP4 en WebM avec curseur de qualité.
Clips en GIF avec palette et 12–24 fps.