OpenMediaConverter
LocalServer

Picture converter

Convert images between common and pro formats.

Convert and resize images without uploading them

Drop an image, pick a format, and optionally change its resolution or its quality to make the file smaller. The format is detected from the file itself, and images are never enlarged.

Reads
PNG, JPEG, WebP, GIF, BMP, TIFF, ICO, TGA, JPEG 2000, QOI, PPM, PCX, SGI, PSD, DDS, OpenEXR
Converts to
PNG, JPEG, WebP, GIF, BMP, TIFF, ICO, TGA, JPEG 2000, QOI, PPM, PCX, SGI

Conversions run on your device with FFmpeg compiled to WebAssembly. Your files are never uploaded and nothing is stored. The engine (about 30 MB) is downloaded once, the first time you convert something. Licenses & transparency