A free TinyPNG alternative that runs in your browser
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
Try it now: Image Compressor
Compress images instantly and reduce file size efficiently.
This is the real tool, not a demo. Open Image Compressor on its own page.
AltFTool vs TinyPNG
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 | Android only. AltFTool publishes a few free Android apps as APK downloads on its Apps page; there is no desktop 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. |
TinyPNG's free tier, in their own words
- Free web tool: max 20 compressions per batch ("Max 20 compressions" on the Web Free plan)
- Free web tool: 5 MB maximum per image (paid Web Pro raises this to 75 MB, Web Ultra to 150 MB)
- Free web tool: max 3 format conversions per session (unlimited only on Web Ultra)
- Free web tool shows ads; "Ad free" is listed only under the paid Web Pro and Web Ultra plans
- Developer API: first 500 compressions each month are free, then $0.009 per compression for 501-10,000/month and $0.002 each above 10,000/month
- Files are uploaded to Tinify servers: "Images uploaded to the Service are temporarily stored, optimized and deleted within 48 hours." (Terms of Service)
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.
What TinyPNG does better
Plenty of people should keep paying for TinyPNG, and these are the reasons why.
- The compression engine is genuinely excellent — a decade of tuning on lossy palette quantization for PNG plus modern WebP/AVIF encoding usually beats a generic encoder preset at the same perceived quality.
- It is a real pipeline product, not just a web page: a documented API with 500 free compressions a month, official WordPress and Photoshop plugins, and an Image CDN, so compression can be automated inside a build or CMS instead of done by hand.
- Because compression runs on their servers, a 150 MB image or a large batch processes at full speed on any device — a low-powered laptop or phone never becomes the bottleneck.
And what AltFTool does not do
- Our compression is a browser re-encode, not Tinify's tuned quantizer. On PNGs with flat colour, expect them to win on size at equal quality.
- No API, no WordPress plugin, no Photoshop plugin and no image CDN — nothing here fits into a build pipeline.
- Very large images are bounded by browser memory. TinyPNG's paid tiers take 75–150 MB files without blinking.
Where each TinyPNG job goes here
Left: what you clicked on TinyPNG. Right: the tool that does the same job here.
- Compress PNG / JPEG / WebPImage Compressor
- Resize while compressingImage Resizer
- Convert to PNG or JPGWebP to PNG / JPG Converter
- Crop before exportImage Cropper
- Convert iPhone HEIC photosHEIC to JPG Converter
- Check output qualityImage Quality Checker
The tools that cover TinyPNG work
- Image CompressorCompress images instantly and reduce file size efficiently.Open
- Image ResizerResize images with custom dimensions, social media presets, fit/crop modes, batch processing, and format export.Open
- WebP to PNG / JPG ConverterConvert WebP images to high-quality PNG, JPG, or PDF files quickly in your browser. Batch convert multiple files and download as a ZIP archive.Open
- Image CropperCrop your image according to your needsOpen
- HEIC to JPG ConverterConvert Apple HEIC/HEIF images into standard JPG or PNG files locally in your web browser. Supports batch conversions, custom image quality, and ZIP exports.Open
- Image Quality CheckerAnalyze image quality with nine professional metrics including sharpness, brightness, contrast, noise, exposure, and histogram analysis.Open
- Image Metadata ViewerExtract and view complete image metadata including EXIF, IPTC, GPS, and file properties.Open
- SVG to ImageRasterise SVG markup to a downloadable PNG, JPEG or WebP at any scale, entirely in your browser.Open
Questions people actually ask
- Does AltFTool compress as well as TinyPNG?
- Usually close on photographs, usually not on flat-colour PNGs and logos, where Tinify's palette quantizer is genuinely better. If a few kilobytes matter on an icon set, use TinyPNG.
- Is there a batch limit?
- No fixed one. TinyPNG caps free batches at 20 images because each is uploaded and processed on their side; here the constraint is how many your browser can hold in memory at once.
- Can I automate AltFTool compression in a build?
- No. There is no API. TinyPNG's developer plan — 500 free compressions a month, then $0.009 each — is built for exactly that and is the right tool for a pipeline.
Cite this page
APA, MLA, BibTeX
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.
- Canonical URL
- https://www.altftool.com/alternatives/tinypng
- Author and publisher
- AltFTool — no individual author is credited on this page.
- Vendor pages checked
- Read from
- TinyPNG (Tinify)tinypng.com/ (+3 more pages from the same source, listed in full above)
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.