Tiny PNG
Smart PNG and JPEG compression. Reduce file size without quality loss.
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Use it free
Open the official tool or demo — no account needed.
Self-host it
Run the open-source version on your own infrastructure.
What is Tiny PNG?
TinyPNG is an open-source image compression solution designed to shrink PNG and JPEG graphics through quantization and metadata removal. Its primary objective is to decrease asset bandwidth consumption without degrading perceptual visual quality. Content creators, frontend engineering teams, and mobile app developers utilize this software to optimize raster assets prior to deployment. The software accepts high-resolution PNG (24-bit or 32-bit color depth) and JPEG files as input and evaluates the color distribution of each frame. It outputs optimized PNG assets with reduced 8-bit color palettes and JPEG binaries stripped of ancillary metadata markers like EXIF header flags and color profiles. A 2.5 megabyte raw PNG photograph, for instance, can often be compressed down to 550 kilobytes while maintaining exact pixel dimensions. First, the engine performs smart lossy quantization, converting 32-bit RGBA images with millions of colors into compact 8-bit indexed PNGs with up to 256 distinct palette entries. Second, it maintains full alpha channel transparency, ensuring that smooth translucent gradient edges remain crisp against variable page backgrounds. Third, the tool integrates lossy JPEG encoding heuristics to eliminate high-frequency chrominance noise while preserving edge crispness. Compared to traditional lossless compression utilities like optipng or pngcrush—which rarely achieve file size reductions greater than 10% to 15%—TinyPNG achieves size reductions ranging from 60% to 80%. When evaluated alongside general vector utilities or lossy SVG tools, TinyPNG focuses specifically on pixel grid optimization rather than geometric path reduction.
How it works
TinyPNG is an open-source image compression solution designed to shrink PNG and JPEG graphics through quantization and metadata removal. Its primary objective is to decrease asset bandwidth consumption without degrading perceptual visual quality. Content creators, frontend engineering teams, and mob
How to use it
- 1Use the TinyPNG tool.
- 2Use the TinyPNG tool.
- 3Use the TinyPNG tool.
- 4Use the TinyPNG tool.
What it can do
- Compression
Use cases
Assumptions and limitations
Assumptions
- source: https://github.com/tinypng
- license: Open source
- privacy: Opens an external demo
Limitations
- External demo — opens a third-party website that you do not control.
- License status not stated — verify usage terms before commercial use.
- Relies on an external source (github.com); availability depends on that service.
- Focused on the image tools category: Smart PNG and JPEG compression. Reduce file size without quality loss..
Understanding the result
Smart PNG and JPEG compression. Reduce file size without quality loss.
Tool details
- Clearly flagged when a network request is needed.
- No account, no sign-up, and no tracking of your content.
- Powered by tinypng (MIT).
- Built with
- tinypng (https://github.com/tinypng)
- License
- MIT
- Runs locally
- No — requires a network request
- Verification
- Not yet verified
- Input
- Text
- Output
- Compressed File
Built with https://github.com/tinypng. OpenToolVault provides the discovery and browser interface while crediting the original project maintainers.
- Built with
- tinypng
- License
- MIT
Open-source project
OpenToolVault is an independent directory. We are not affiliated with or endorsed by this project.
References
- /tinypng — GitHub Repository
Upstream project · GitHub
Frequently asked
What is TinyPNG?
Smart PNG and JPEG compression. Reduce file size without quality loss.
Where can I find the source code?
The source is available at https://github.com/tinypng
What license is it?
.
Is it free to use?
Yes, it is open-source and free to use.