Image Format Converter
Open a common browser-readable image and export it as PNG, JPEG, or WebP without uploading it. Adjust lossy quality, preview the result, and download the converted file directly.
Convert a selected image locally between PNG, JPEG, and WebP using the browser canvas, with an adjustable quality value for formats that support lossy encoding.
How to convert an image format
- Choose an image file supported by the browser.
- Select PNG, JPEG, or WebP and set the quality value.
- Convert, preview the encoded result, and download the new file.
Conversion details
The output keeps the original pixel dimensions and is re-encoded through canvas. JPEG output is drawn on a white background so transparent areas do not become black or undefined.
The quality setting is passed to browser encoding for JPEG or WebP; PNG encoding does not use the same lossy quality control.
Privacy and limitations
Your image is decoded and encoded in the browser without an upload from this tool. Output size and visual quality depend on the browser encoder and the source image.
Image Format Converter FAQ
Which output formats are available?
PNG, JPEG, and WebP.
Does it resize the image?
No. Pixel dimensions stay the same.
What happens to transparency in JPEG?
Transparent areas are filled white before JPEG encoding.
Does quality affect PNG the same way?
No. PNG is not controlled by the lossy quality value in the same way.
Is the file uploaded?
No. Conversion stays in the browser.