Convert to PNG

PNG is the safe target when an app, a website or an editor will not open your image, or when you want an exact lossless copy before editing. This converter takes almost any picture: phone photos (HEIC, JPG), web formats (WebP, AVIF, GIF), icons (ICO, CUR), vector SVG, and older or professional formats such as TIFF, TGA, BMP, PSD, PCX, PPM and JPEG 2000. It converts them to PNG in your browser, one file or a whole batch at once.

How to use this tool

1. Drop one or more images of any common format.
2. For SVG files, optionally choose the width to draw them at; for ICO files, choose whether to extract every size.
3. Optionally set a max long side, fill transparency with a colour, or store a DPI value.
4. Download the PNGs one by one, or all of them as a ZIP.

Formula

Decode (browser → HEIC decoder → ffmpeg engine) → optional scaling: scale = min(1, max side ÷ longest side) → PNG (lossless, 8 bits per channel, transparency kept)

Files are recognised by their first bytes, not their name, so a mislabelled file still converts. JPG, PNG, WebP, AVIF, GIF, BMP and ICO open with the browser's own decoder. HEIC uses libheif when the browser cannot open it. TIFF, TGA, PSD, PCX, PPM, QOI, DDS, EXR and JPEG 2000 are decoded by ffmpeg compiled to WebAssembly, which downloads about 30 MB the first time. EXR holds linear, high-dynamic-range light, so it is converted with the sRGB curve and anything brighter than white is clipped; 16-bit images are saved with 8 bits per channel.

Example

A 3024 × 4032 HEIC photo of 1.8 MB becomes a 3024 × 4032 PNG of roughly 15–20 MB, because PNG stores every pixel without lossy compression. With a max long side of 1600 px it becomes 1200 × 1600 px and only a few MB. A 24 × 24 SVG icon with an output width of 512 becomes a crisp 512 × 512 px PNG.