How it works
Upload an image, set width and height (or use handles), then export. Canvas rendering happens locally with instant preview.
Crop and scale images for social media.
JPG, PNG, and WebP. Max 20 files per batch.
Upload an image, set width and height (or use handles), then export. Canvas rendering happens locally with instant preview.
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).
Upload an image, set width and height (or use handles), then export. Canvas rendering happens locally with instant preview.
Upscaling beyond original resolution may look soft. EXIF metadata may be stripped. Extreme dimensions increase memory use. Processing is 100% offline in your browser — files never leave your device.
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.
Reduce file size while maintaining quality.
Convert iPhone photos for universal compatibility.
Jump straight to the exact crop Instagram needs.