BlurHash
A compact text string that encodes a blurred placeholder image.
- Stars
- 17.1k
- Forks
- 378
- Licence
- MIT
- Language
- C
- Last update
- 2.3 years ago
- Type
- Library
No commits in over a year — check for forks or alternatives before adopting.
What it is
BlurHash is a library that turns an image into a short text string, which can be decoded back into a blurred, colorful placeholder. Apps show that placeholder while the real image loads. The README provided here was empty, so details beyond the repository description and metadata are not confirmed.
- Encode a placeholder string for each image when it is uploaded
- Decode the string into a blurred preview while the full image loads
- Store the short string alongside image records in a database
Great for
- Developers building apps that load images over slow connections
- Teams that want a small placeholder instead of a blank box while images load
- Projects written in C that need a compact image placeholder encoder
Not ideal for
- People looking for an end-user app, since this is a developer library
- Projects needing the exact image rather than a blurred preview, because the placeholder is lossy by design
- Anyone who needs setup instructions here, since the README provided was empty
How to get it
- 1
Clone and build from source
Clone the repository
git clone https://github.com/woltapp/blurhash - 2
Run it
- Open the repository on GitHub to find language-specific instructions
- Check the project homepage at https://blurha.sh for documentation
- Build or import the library according to its own docs
- 3
Get the most out of it
- Check the homepage for the list of supported language bindings
- Generate placeholders at small sizes to keep the strings short
Downloads
Strengths
- Very compact output, as the repository description states
- Widely starred open-source project with an MIT license
- Written in C, so it can be used from low-level code
Trade-offs
- The README supplied was empty, so usage details could not be verified
- No releases or topics are listed in the metadata
- Last push was in July 2024, so current maintenance status is unclear
Stats synced from GitHub. The assessment above was drafted with AI from the project's README on 2026-10-29 and may miss recent changes — check the README before relying on a command. MIT licence: free to use, modify and distribute, including commercially, as long as you keep the copyright notice.