What's the core difference between PNG and TIFF?
Purpose. TIFF (Tagged Image File Format) is a flexible professional, print, and archival container — it can hold CMYK colour for the press, 16- or 32-bit channels, several pages, and editing layers, usually in very large files. PNG is a web graphics format: RGB (with alpha), one image per file, losslessly compressed to load quickly in any browser. TIFF aims for maximum fidelity and flexibility; PNG aims to be small and universal online.
PNG vs TIFF at a glance
| Feature | PNG | TIFF |
|---|---|---|
| Colour space | RGB | RGB, CMYK, grayscale, Lab |
| Bit depth | Up to 16-bit/channel | Up to 32-bit/channel |
| Compression | Lossless (DEFLATE) | None, LZW/ZIP, or JPEG |
| Multi-page / layers | No | Yes |
| Web support | Universal | None |
| Typical file size | Small to moderate | Large to very large |
| Best for | Web, sharing, UI graphics | Print, photo masters, archiving |
Why do print and photography use TIFF?
Because TIFF carries everything a press or a photo master needs. Commercial printing works in CMYK, which PNG can't store, and high-end editing benefits from 16- or 32-bit channels that keep far more tonal detail through heavy adjustments. TIFF can also bundle multiple pages and layers and stay lossless throughout. That's why it became the standard for print production, professional photography masters, scanning, fax, medical and scientific imaging, and GIS — workflows where fidelity and flexibility matter more than file size.
Why can't you use TIFF on the web?
Web browsers simply don't display TIFF, so it can't appear on a page the way a PNG can. The format is also far too heavy for the web — its large, often uncompressed files would be slow to download. PNG was designed for exactly this job: RGB images with transparency, compressed losslessly and rendered by every browser. If a TIFF needs to go online, it gets converted to a web format first. To understand why PNG fits the web so well, see what is a PNG.
When should you use each?
Reach for TIFF when you're preparing artwork for print, keeping a high bit depth or CMYK photo master, scanning documents, or archiving images at maximum fidelity. Reach for PNG when the image is headed for a website, an app, an email, or any screen — anywhere small size and universal support matter. Many photographers keep a TIFF master and export a PNG (or JPG) copy for sharing. Browse the full toolkit if you need to process a batch.
How do you convert between PNG and TIFF?
Going from TIFF to a web image usually means flattening to RGB and exporting a PNG — you trade CMYK, extra pages, and 16-bit depth for a small file any browser can show. The reverse, PNG to TIFF, is rare and mostly only worth it when a print workflow demands the container. Once you have a PNG, the PNG compressor can shrink it further without leaving the format or losing quality.
Frequently asked questions
- Is TIFF higher quality than PNG?
- For print, TIFF carries data PNG can't — CMYK colour and 16- or 32-bit channels. For ordinary RGB images on screen, both are lossless and look identical, so PNG is just as sharp at a far smaller size.
- Can a web browser open a TIFF file?
- No. Mainstream browsers don't render TIFF, so it can't be used directly on a web page. PNG is supported everywhere online, which is why TIFFs are converted to PNG or JPG for the web.
- Why are TIFF files so large?
- TIFF is often stored uncompressed or with lossless LZW/ZIP compression, and it can hold 16- or 32-bit channels, multiple pages, and layers. All that extra fidelity makes files run to tens or hundreds of megabytes.
- Should I archive my photos as TIFF or PNG?
- Professional masters with high bit depth or CMYK belong in TIFF. For 8-bit RGB images you simply want to keep losslessly and use online, PNG preserves every pixel in a much smaller, universally supported file.