So funktioniert es
Bild hochladen, Breite/Höhe setzen und exportieren. Canvas-Rendering lokal.
Zuschneiden und skalieren für Social Media.
JPG, PNG, and WebP. Max 20 files per batch.
Bild hochladen, Breite/Höhe setzen und exportieren. Canvas-Rendering lokal.
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).
Bild hochladen, Breite/Höhe setzen und exportieren. Canvas-Rendering lokal.
Vergrößern über Originalauflösung kann weich wirken. EXIF kann entfernt werden. Verarbeitung zu 100 % offline im Browser — Dateien verlassen Ihr Gerät nie.
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.
Dateigröße reduzieren bei passender Qualität.
iPhone-Fotos für universelle Kompatibilität konvertieren.
Direkt zum exakten Instagram-Zuschnitt.