Convert TIFF to PNG: what to know
When a TIFF must become a web-friendly file without losing a single pixel — a scanned signature, a diagram exported from CAD or GIS software, a screenshot saved by an old tool — PNG is the answer. It is lossless like TIFF, supports transparency, and opens everywhere TIFF does not. This page converts on your device.
How to convert TIFF to PNG
Add the .tif/.tiff files above. PNG is preselected and has no quality setting because it is always lossless. Click Convert and download the results one by one or as a ZIP. The PNGs are run through a lossless optimiser, so they are as small as PNG allows. Up to 20 files, 20 MB each, per batch.
Lossless in, lossless out — with two caveats
The pixels are copied exactly, but TIFF can hold more than PNG: 16-bit channels are reduced to 8-bit (invisible for viewing, relevant for scientific data), and CMYK is converted to RGB using a simple conversion rather than an ICC profile, so colours in print-prepared files may shift slightly. Transparency is kept: PNG has an alpha channel, and Keep transparency is on by default.
Multi-page TIFFs contribute their first page only. Metadata such as scanner model and resolution tags is not copied into the PNG.
Size expectations
A PNG made from an uncompressed TIFF is usually three to ten times smaller — PNG's Deflate compression versus none. From an LZW TIFF the saving is smaller but still real. For photographs, PNG remains large; if the file only needs to look right on screen, TIFF to JPG makes a file ten times smaller again. A 300 dpi text scan is typically 300–800 KB as an optimised PNG.
Supported TIFF variants
Uncompressed, LZW, PackBits and Deflate compression; RGB, grayscale, palette and bilevel images; alpha channels; both byte orders. JPEG-in-TIFF and unusual tiled CMYK layouts may be rejected with a message — re-saving as LZW TIFF from the scanner software fixes them.
Questions about TIFF to PNG
- Is the conversion lossless?
- Yes for 8-bit files. 16-bit channels are reduced to 8-bit and CMYK is converted to RGB.
- Are my files uploaded?
- No. The TIFF is decoded and the PNG written in your browser.
- What about transparency?
- Kept by default. Untick Keep transparency to flatten onto a background colour.