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TIFF to PNG Converter: Lossless, Web-Ready Output

Convert TIFF scans and archival images to PNG in your browser. Lossless, transparency kept, nothing uploaded. Free TIFF to PNG converter, no signup.

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Privacy First
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How It Works

TIFF came out of the 1980s desktop scanning world and never really left it. Scanners, prepress software, GIS tools, microscopes, and document archives still write TIFF because it stores pixels without throwing anything away. The problem shows up the moment you leave those tools: no web browser will display a .tif file, so when you need that scan in a doc, an email, or on a phone, the format stops cooperating. PNG solves that without touching image quality. Here the TIFF is decoded in your browser, its raw pixel grid is read out, and the result is re-encoded as PNG using PNG's own lossless DEFLATE compression. Nothing is resampled, blurred, or thrown away in the handoff, so the PNG matches the source. An alpha channel carries straight across, which is what you want for scanned logos, masks, and cutouts that need to stay on a transparent background. Everything happens locally. The file is read into memory, converted, and handed back as a download, never sent to a server. That is the practical answer when the TIFF is a contract scan, a medical image, or anything you would not paste into a random website. Drop in a .tif or .tiff and the PNG is ready almost immediately. Two limits worth knowing up front. PNG output here is 8-bit per channel in sRGB, so a 16-bit or CMYK prepress TIFF is mapped down to standard 8-bit RGB on the way out. And PNG holds one image per file, so if your TIFF is a multi-page scan, you get the first page.

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MoreTIFF

tiff → jpeg

Convert toPNG

avif → pngbase64 → pngbmp → pnggif → pngheic → png
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Key Features

  • No file uploads required - works offline
  • 100% privacy focused - client-side processing
  • Browser powered - no software installation
  • Fast processing - WebAssembly technology
  • Free forever - no premium accounts

Supported File Formats

.tiff .tif

Output Format: PNG

Technical Specifications

input Format TIFF / TIF (uncompressed, LZW, PackBits, Deflate)
output Format PNG (8-bit RGB/RGBA, DEFLATE)
compression Type Lossless (DEFLATE), no pixel data discarded
quality Retention Lossless: output is pixel-identical to the source within 8-bit sRGB
color Space Support sRGB, 8-bit per channel; 16-bit and CMYK TIFFs are mapped to 8-bit RGB
max Resolution Limited only by your device's memory
processing Time Instant, runs in your browser

Key Benefits

  • Lossless within 8-bit sRGB: the PNG matches the source TIFF pixel for pixel
  • Output opens everywhere TIFF doesn't: every browser, CMS, and chat app
  • Alpha transparency from the TIFF is preserved in the PNG
  • Runs entirely in your browser, so confidential scans are never uploaded
  • Uncompressed and LZW TIFFs usually shrink under PNG's DEFLATE compression
  • No account, watermark, file-count limit, or conversion quota

Common Use Cases

  • Dropping scanned documents and receipts into web pages or shared docs
  • Making archival TIFF masters viewable without specialist software
  • Converting scanned logos and signatures while keeping a transparent background
  • Sharing GIS, microscopy, or medical screenshots with people who lack a TIFF viewer
  • Prepping high-resolution scans for a CMS or web gallery
  • Opening a .tif that won't preview on a phone or in a browser
  • Standardizing a folder of mixed scans into one web-friendly format

Pro Tips

  • Keep the original TIFF if it's a 16-bit or CMYK print master, and convert a copy for the web
  • For a multi-page scanned TIFF, split it first since PNG holds only the first page
  • Pick PNG over JPEG here when the scan needs transparency or crisp text and line edges
  • Very large scans use a lot of memory, so close other tabs if a huge TIFF stalls
  • If the image is a photo and file size matters more than transparency, try TIFF to JPEG instead

Frequently Asked Questions

No. TIFF and PNG are both lossless, and this tool re-encodes the actual pixel values rather than recompressing a lossy stream. What changes is the container and its compression method, not the picture. The one caveat is bit depth: a 16-bit TIFF is mapped to 8-bit per channel on output, which is invisible for normal screen and web use.
TIFF was built for scanners and print workflows, not the web, so Chrome, Firefox, Safari, and Edge never shipped a TIFF decoder. The <img> tag does not support it. Converting to PNG is the standard fix because PNG is one of the formats every browser, CMS, and chat app renders natively.
It depends on how the TIFF was saved. An uncompressed or LZW TIFF usually shrinks once it is in PNG's DEFLATE compression. A TIFF already saved with strong compression can land close to the same size, and a 16-bit TIFF dropped to 8-bit often gets noticeably smaller. The size change comes from compression efficiency and bit depth, not from discarding visible detail.
Yes. If the TIFF has an alpha channel, it carries into the PNG and transparent areas stay transparent. This is the main reason to pick PNG over JPEG for scanned logos, signatures, stamps, or anything with a cut-out background, since JPEG cannot store transparency at all.
It still converts, but the output is 8-bit per channel in sRGB. High-bit-depth scans are tone-mapped down to 8-bit RGB, and CMYK is converted to RGB. For screen and web that is fine. If you need the original 16-bit or CMYK data for a print shop, keep the TIFF master and convert a copy for distribution.
PNG stores one image per file, so a multi-page TIFF (common for scanned documents and faxes) gives you the first page as a PNG. To keep every page, split the TIFF and convert each page on its own, or use a multi-page format like PDF if you need all pages in a single file.
No. The whole conversion runs in your browser on your own device. The TIFF is read into memory locally and never transmitted, which is why this is safe for confidential scans, medical imaging, or legal documents that should not touch a third-party server.
Not if it is an archival or print master, especially at 16-bit or CMYK. The PNG is the right format for viewing, sharing, and the web, but it is a screen-ready 8-bit copy. Treat the TIFF as the source of truth and the PNG as the distribution version.