Verified local conversion

TIFF to APNG

Converting a .tiff image to .apng re-encodes the pixels for a different balance of size, quality, and support. Free, private, and validated — the file never leaves your browser.

Private for supported formats — processed in your browser

Convert supported files

Runs on your device

Drop TIFF files here

Batch files can each use a different output. Nothing uploads for local conversions.

Working inputs include camera RAW, browser-local audio/video, PDF, CBZ/CBR comics, office documents, ebooks, markup, 3D models, structured text, images, and archives.

About converting TIFF image to Animated PNG

Converting a .tiff image to .apng re-encodes the pixels for a different balance of size, quality, and support. A .tiff file is a Tagged Image File Format raster, the long-standing archival and prepress standard for images that must not lose a single bit. Its tag-based structure lets one .tiff hold multiple pages, layers of metadata, and pixel formats from 1-bit fax scans to 32-bit floating-point channels.

An .apng file is an animated extension of PNG: full 24-bit color with 8-bit alpha per frame, in a stream that plain PNG decoders read as a normal still image. It delivers the smooth, semi-transparent animation that GIF's 256-color palette never could, and it is the format behind many messaging-app sticker packs. For this route the practical draw is 16.7 million colors and real alpha per frame, versus GIF's 256 and binary transparency and backward compatible: old decoders still render the first frame — balanced against files grow quickly for long or high-motion animations, where animated WebP/AVIF or video compress far better, which is worth knowing before you commit a large batch.

Why convert TIFF to APNG?

The practical trigger for this conversion is usually a mismatch: with .tiff, files are huge — often 10x a visually identical JPEG. Switching to .apng buys you 16.7 million colors and real alpha per frame, versus GIF's 256 and binary transparency, which is why it is the better fit for animated stickers (Apple's iMessage and LINE both build on APNG). Because the conversion runs locally, trying it costs nothing but a few seconds of compute on your own machine.

TIFF vs APNG at a glance

AspectTIFF image (.tiff)Animated PNG (.apng)
Format typeLossless — every pixel or sample is preserved exactlyLossless — every pixel or sample is preserved exactly
How it stores datastructured as Image File Directories (IFDs) of numbered tags, allowing multiple images per fileadds three chunk types to PNG: acTL (animation control), fcTL (frame control), and fdAT (frame data)
Strongest atarchival masters for museums, libraries, and digitization projectsanimated stickers (Apple's iMessage and LINE both build on APNG)
Weak spotfiles are huge — often 10x a visually identical JPEGfiles grow quickly for long or high-motion animations, where animated WebP/AVIF or video compress far better
01

Add your TIFF file

Drop one or more .tiff files onto the converter above, or browse for them. They load into browser memory only — nothing is uploaded, so there is no size-based pricing and no server queue.

02

Pick APNG as the output

Select .apng in the output menu next to each file. The menu only offers targets this engine can genuinely produce, so if APNG is selectable, the route is real and validated.

03

Convert on your device

Press Convert. Decoding and re-encoding happen on your device using the browser's native image pipeline and hand-tuned encoders.

04

Verify and download

Each result is signature-checked before the download unlocks, so a failed encode can never masquerade as a valid APNG file. Outputs keep the original filename with the .apng extension.

TIFF to APNG questions, answered

Will converting TIFF to APNG lose quality?

Since tiff is lossless-oriented and apng is lossless-oriented, the conversion preserves the source content exactly as stored; no additional compression pass is applied beyond what .apng itself requires.

Is it private to convert TIFF files here?

Yes — the .tiff file is processed inside your browser tab and never uploaded. Decoding and re-encoding happen on your device using the browser's native image pipeline and hand-tuned encoders. Close the tab and the file is gone from memory.

Where will the APNG file work?

Chrome 59+, Firefox 3+, Safari 8+, and Edge 79+ all animate .apng natively, so browser coverage is complete. Desktop support is patchier — most image editors open only the first frame — and social platforms frequently flatten or re-encode uploads, so test the target platform before committing to it.

Will the APNG file be bigger or smaller than my TIFF?

It depends on the content: adds three chunk types to PNG: acTL (animation control), fcTL (frame control), and fdAT (frame data). Convert one representative file first and compare before batch-processing a large set.

What happens to the metadata in my TIFF file?

In .tiff, eXIF is itself structured as TIFF tags, so TIFF holds it natively, alongside XMP packets, IPTC records, ICC profiles, and GeoTIFF georeferencing tags. Re-encoding through the browser pipeline does not carry embedded metadata into the output, which doubles as a privacy scrub — check the exported file if you specifically need tags preserved.

Can I convert APNG back to TIFF?

Yes — the reverse route exists as a separate tool. Bear in mind that round-tripping .tiff → .apng → .tiff is not a perfect undo when any lossy step is involved; keep your original if fidelity matters.