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Image Compressor & Converter

Compress images in the browser, convert to WebP / AVIF / JPEG / PNG, resize dimensions and compare file size savings instantly.

Local

Runs locally in your browser by default — nothing is uploaded first.

Input

Choose image
Upload one image and adjust format, quality, or dimensions below.
Supports screenshots or copied images from the clipboard.
Output format
Quality
Width
Height

Result

Waiting for image
Choose an image to compress

Convert to WebP, AVIF, JPEG, or PNG, resize dimensions, and compare file size savings before downloading.

Image Compressor & Converter runs locally in your browser by default, so you can work with the content without uploading it first.

Compress images locally in the browser, convert to WebP, AVIF, JPEG or PNG, resize dimensions and compare file size savings before downloading.

  • Prepare lighter images for websites and landing pages
  • Convert screenshots or product images into WebP or AVIF
  • Resize uploads before sharing them with clients or teammates

Does Image Compressor & Converter run locally or in the cloud?

Image Compressor & Converter runs locally in your browser by default, so you can work with the content without uploading it first.

What usually comes after Image Compressor & Converter?

A common next step is to continue into related workflows such as Image Conversion and Compression Tools.

Should I convert every image to WebP?

Not always. WebP is useful for many web images, but destination compatibility and transparency requirements still matter.

Image Formats Explained: JPEG, PNG, WebP, AVIF, HEIC, and Resizing Order

A practical technical article on choosing image formats, resizing before compression, preserving transparency, and preparing batches for upload.

collectionImage Conversion and Compression ToolscollectionData Format Conversion ToolscollectionMedia and Browser Tools

About Image Compressor & Converter

Compress images locally in the browser, convert to WebP, AVIF, JPEG or PNG, resize dimensions and compare file size savings before downloading.

Common use cases

  • Prepare lighter images for websites and landing pages
  • Convert screenshots or product images into WebP or AVIF
  • Resize uploads before sharing them with clients or teammates

How to use

  1. Upload an image or load the built-in sample.
  2. Choose the output format, quality and target dimensions.
  3. Compare the original and optimized previews, then download the exported image.

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