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Image Resizer

Resize multiple JPG, PNG, or WebP images by dimensions or percentage. Check output dimensions, preserve proportions when needed, and download the results locally.

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Runs locally in your browser. Your input is not uploaded or stored. You can verify this in your browser’s network panel.

Processing limits

  • Accepted formats: jpeg, png, webp
  • Maximum file size: 25 MB
  • Maximum image size: 40,000,000 pixels
  • Maximum files: 20
  • Maximum total batch size: 100 MB

Canvas output may remove metadata such as EXIF orientation and camera information.

What does this tool solve?

Resize images by exact dimensions or by percentage while keeping each image's proportions when needed. Results are generated locally and can be downloaded individually, as a batch, or passed to another image tool from More actions. To change the output format, continue with Image Format Converter. To compare compression candidates, use Image Compressor.

Continue with Image Compressor, Image Format Converter · Image size, resolution, and display dimensions

What examples should you start with?

Resize a set of assets

Input
Text
JPG and PNG files · mixed dimensions · width 1600 px
Output
Text
1600 px width · original formats preserved

Create a smaller preview

Input
Text
JPG · 2400 × 1600 · scale 50%
Output
Text
JPG · 1200 × 800

How does it work?

The browser calculates target dimensions for every file from exact dimensions or a scale percentage, then renders each result to a local Canvas.

The initial preview stays unchanged until a resize setting is used. Changing a dimension, percentage, or resize option regenerates the current previews and downloadable files; the title-row More actions entry passes the current results to another image tool.

What are the edge cases and limits?

  • JPG, PNG, and WebP inputs are supported and keep their original output format.
  • The limits are 25 MB and 40 megapixels per image, 20 files, and 100 MB per batch.
  • Invalid target dimensions or output larger than 40 megapixels are rejected.
  • Canvas output may remove EXIF metadata such as camera information and orientation.

Technical reference

Related tools

  • Image CompressorCompare JPEG and PNG compression candidates for multiple JPG, PNG, or WebP images. Review file sizes, RGB pixel error, and original-versus-output previews locally.
  • Image Format ConverterBatch-convert JPG, PNG, and WebP images in your browser. Review the output format and file-size change, then download individual images or a ZIP.
  • Image TransformerRotate and flip multiple images locally in your browser.
  • Image Color PaletteExtract five representative colors from images locally.

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