Image Format Converter

Convert images between PNG, JPEG, WebP, and BMP formats. Adjust quality for lossy formats. All processing happens locally in your browser.

Convert images between PNG, JPEG, WebP, and BMP formats instantly. All processing happens in your browser — your images stay private.

Drop an image here or click to upload

PNG, JPEG, WebP, GIF, BMP — Max 20MB

All conversion happens locally in your browser. No images are uploaded to any server. Supports PNG, JPEG, WebP, and BMP output.

How to Use This Tool

  1. 1

    Upload your image

    Drag and drop an image or click to browse. Supports PNG, JPEG, WebP, GIF, and BMP input formats.

  2. 2

    Select output format

    Choose your target format: PNG (lossless), JPEG (photos), WebP (smallest size), or BMP (uncompressed).

  3. 3

    Adjust quality

    For JPEG and WebP, use the quality slider to control file size vs. visual quality. PNG and BMP are lossless.

  4. 4

    Convert and download

    Click 'Convert' to process, then download your converted image. Compare file sizes between formats.

Frequently Asked Questions

Are my images uploaded to a server?
No. All format conversion happens entirely in your browser using the Canvas API. Your images never leave your device.
Which format should I choose?
PNG for transparency and lossless quality. JPEG for photos with small file size. WebP for the best compression with good quality. BMP for uncompressed raw data.
Will I lose image quality?
PNG and BMP are lossless — no quality loss. JPEG and WebP are lossy, so some quality is traded for smaller file size. Use a higher quality setting to minimize loss.
Why can't I convert to the same format?
Converting to the same format is disabled since it would produce an identical file. If you want to re-compress, use the Image Compressor tool instead.