How to resize an image online
Type the dimensions into the window above or pick a preset. The preview updates instantly. Download the result.
Ways to set the size
- •Exact pixels — type width and height manually
- •Presets — Instagram, Facebook, Twitter, YouTube and more
- •Percent — halve or double the image with a single slider
- •Aspect ratio lock — keeps proportions automatically
Supported formats
JPEG, PNG, WebP, GIF, BMP, SVG, ICO, TIFF, AVIF. HEIC (iPhone photos) is supported as input only — upload .heic files and resize them. Output saves as PNG or JPEG.
Batch processing
Drop a folder — every photo is resized to the same dimensions and packed into a ZIP. Up to 500 files at once. Same flow for compress, convert, and watermark.
Privacy
Everything stays on your device. No server, no tracking, no signup. Safe for personal photos and documents.
Frequently Asked Questions
Enable the aspect ratio lock — the image resizes proportionally. Disable it if you need an exact size regardless of the original proportions.
Yes. Instagram Post (1080×1080), Instagram Story (1080×1920), Facebook Cover (820×312), Twitter Header (1500×500), YouTube Thumbnail (1280×720), and more.
JPEG, PNG, WebP, GIF, BMP, SVG, ICO, TIFF, AVIF, HEIC (input only — iPhone photos).
Yes. Drop a folder — every image is resized to the same dimensions and packed into a ZIP.
No hard limit. Processing happens in your browser, so the limit depends on your device's RAM.