Resize an image
Change the dimensions of an image by width, height, percentage or maximum size, keeping the proportions.
Processed in your browserFree
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About this tool
Resize your images to the exact size you need: target width or height with proportions preserved, maximum bounding box, percentage, or exact dimensions. Downscaling is done in steps for a sharp result, and batch processing applies the same setting to all the images.
How to use this tool
- 1Drop your images.
- 2Choose the method (width, height, fit within, percentage, exact) and the output format.
- 3Resize, then download.
Limits to know
- Enlarging adds no detail: it is disabled by default to avoid blur.
- The "Exact" mode can distort the image if the proportions differ.
- Supported input formats: JPG, PNG, WebP, GIF (first frame), BMP, AVIF, SVG and HEIC/HEIF (iPhone photos, decoded by libheif loaded on demand, ~1.5 MB). TIFF is not supported by browsers.
- Accepted formats
- JPEG, PNG, WebP, GIF, BMP, AVIF, SVG
- Maximum size
- 50 MB · 50 files max
Privacy and file processing
Images are decoded and processed by your browser (canvas). They are never sent to a server; EXIF metadata is not kept in the output files.
Read our privacy policyFrequently asked questions
No: enlarging adds no detail, the browser interpolates the existing pixels. Enlarging is disabled by default; enable it only if a specific size is required of you.
Use width, height, percentage or maximum size: the proportions are preserved. Only the "Exact" mode forces both dimensions and can distort the image if the ratio differs.