FREE ONLINE IMAGE TOOL

Image Converter

Convert supported image files between JPG, PNG, WebP, GIF, BMP, TIFF, SVG, ICO and AVIF where your browser supports the required codecs.

Select images

Convert multiple images between supported formats. Choose the source format or use automatic detection, then select the output format.

JPG · PNG · WebP · GIF · BMP · TIFF · SVG · ICO · AVIF* · up to 20 MB per image

How to use image converter

Select multiple image files, choose a source format or Auto-detect, select the target format, and convert the batch in your browser. Common browser-readable inputs include JPG, PNG, WebP, GIF, BMP, SVG and AVIF depending on the browser. GIF animation is converted as a single still frame. TIFF, HEIC/HEIF, PSD and RAW decoding is browser/codec-dependent and is not guaranteed.

Fast, simple and private image processing

TheResize is designed to make everyday image tasks straightforward. Processing is performed on your device wherever supported, so you can work without creating an account or waiting for a server upload. Output quality and supported formats depend on the source image and your browser.

Frequently asked questions

Do I need to install software?

No. Open this page in a modern browser on desktop or mobile, select your image and use the controls above.

Is my original image overwritten?

No. The tool creates a separate output file for download. Your source image remains unchanged.

Why does the output look different?

Resizing, lossy compression and format conversion can affect image quality, transparency, colour profiles or metadata. Check the preview and select suitable settings before downloading.