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Image compression that runs in your browser, so there is no 20-per-batch cap, no 5 MB ceiling and no 48-hour copy of your image sitting on someone's server.
No upload — files are processed in this tab
Compress images instantly and reduce file size efficiently.
This is the real tool, not a demo. Open Image Compressor on its own page.
TinyPNG's compressor is very good, and its 5 MB free ceiling exists because they pay for every byte you send them. AltFTool re-encodes in the browser with the codecs your browser already ships, which removes the batch and size caps but also removes the thing TinyPNG is famous for: a decade of tuning on palette quantization. On a flat-colour PNG or a logo, TinyPNG will usually produce a smaller file at the same perceived quality. On a photo you just need under a size budget, the difference is often not worth the upload.
| Comparison point | AltFTool | TinyPNG |
|---|---|---|
| Where the work happens | File tools (PDF, image, converters) run in your browser and the file is not uploaded. Tools that need live data or a model — AI tools, language checkers, lookups — send your input to an API, and say so on their own page. | Uploaded to Tinify servers; stored, optimised and deleted within 48 hours. |
| Account required | No — every tool opens and runs without signing in. | Not required for the free web tool. |
| Free tier ceiling | — | 20 compressions per batch, 5 MB per image, 3 format conversions per session. |
| Paid plans | None. There is no paid tier and no per-file metering. | Web Pro $3.25/month and Web Ultra $12.42/month, billed annually. |
| Ads | Yes — ads are what keep the tools free. | Yes on the free web tool; ad-free is a paid feature. |
| Desktop / mobile apps | No. Web only — no desktop or mobile app. | Plugins for WordPress and Photoshop rather than a standalone app. |
| API & automation | No public API. Tools are interactive pages, not endpoints. | Yes — 500 free compressions/month, then $0.009 each. |
Paid pricing: Web Pro $3.25/month billed annually; Web Ultra $12.42/month billed annually (USD, per user, per year)
Checked on 2026-07-25 against the following sources, each opening in a new tab: tinypng.com/, tinify.com/pricing/web, tinify.com/pricing/api, tinify.com/terms. Vendors change their plans — if something here is out of date, trust TinyPNG's own page over ours.
Plenty of people should keep paying for TinyPNG, and these are the reasons why.
Left: what you clicked on TinyPNG. Right: the tool that does the same job here.
Quote anything on this page with a credit. The date below is the date this page's data was read, not the date you are reading it — cite it alongside any figure you take from here, because these numbers move.
APA
AltFTool. (2026, July 25). A free TinyPNG alternative that runs in your browser. https://www.altftool.com/alternatives/tinypngMLA
"A free TinyPNG alternative that runs in your browser." AltFTool, 25 July 2026, www.altftool.com/alternatives/tinypng.BibTeX
@misc{altftool-alternatives-tinypng,
author = {{AltFTool}},
title = {{A free TinyPNG alternative that runs in your browser}},
year = {2026},
month = {jul},
howpublished = {\url{https://www.altftool.com/alternatives/tinypng}},
note = {Vendor pages checked 2026-07-25. Source: TinyPNG (Tinify): \url{https://tinypng.com/}.}
}Free-tier limits and prices are transcribed from the vendor's own pages on the date shown and are never converted between currencies, so quote that date alongside any figure you take from here. Vendors change their plans: if something here is out of date, trust TinyPNG's own page over ours. The vendor links are plain links - no affiliate tracking, no referral IDs, no paid placement.