Outils de traitement d'images
Simple et 100% gratuit
Sans installation · Traitement instantané · Sans stockage de fichiers
Tous les outils
Pourquoi l'utiliser Optimizer-Nulumia
Rapide
Traitement instantané sur nos serveurs, sans attente
Sécurisé
Les fichiers sont supprimés immédiatement après le téléchargement
100% gratuit
Gratuit, sans compte requis
Tous les appareils
Fonctionne sur PC, tablette et mobile
Outils de compression d'images
Compresser JPEG à une taille précise
Outils de redimensionnement d'images
Outils de conversion d'images
Frequently Asked Questions
Are these tools really free?
Yes, all tools on this site are completely free to use with no hidden fees, no account required, and no usage limits. You can process as many files as you need at no cost.
Is my file safe? Do you store uploaded images?
Your files are processed on our servers and deleted immediately after you download the result. We never store, share, or access your images beyond what is needed to complete the processing.
What image formats are supported?
Our tools support JPG, JPEG, PNG, WebP, GIF, BMP, and HEIC image formats. PDF tools accept standard PDF files. Convert between formats using the Convert Image or format-specific tools.
Is there a file size limit?
Single image tools support files up to 50MB per file. The multi-image tool (Images to PDF) accepts up to 200MB in total across all selected files.
Do I need to install any software or create an account?
No. All tools run entirely in your browser session — no software, no plugins, no extensions, and no account are needed. Just open the page and start processing your files.