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libreqr/README.md
vdbhb59 77f048085b Synced + few of my changes 
Drop Less support: The style.less and themes/libreqr/theme.php files are converted to plain CSS.

The main Less features used in LibreQR were variables and selector nesting, but since CSS custom properties and nesting are now widely supported across browsers, the less.php dependency can be ditched.

To read the background color for contrast improvement, a regex is used on the theme CSS file.

(5468a43a2f)

Format locales according to Weblate

(f3e2249a84)

Estonian Translation (eb0ea03857)

doc: Add link to Weblate + enhance markup

(49394ebd9b)
2025-11-29 21:56:41 +05:30

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LibreQR

A PHP Web interface for generating QR codes.

Demo

A LibreQR instance is available at https://qr.antopie.org.

Installation

Generic

Place this source code in a Web server with PHP8.0+, extensions gd, mbstring and iconv, and writing rights on the css/ directory. Every request needs to be sent to index.php.

Security hardening

HTTP headers

Your HTTP server can reply the following headers:

Content-Security-Policy: default-src 'none'; img-src 'self' data:; style-src 'self'; frame-ancestors 'none'; form-action 'self';
Referrer-Policy: no-referrer
PHP-FPM chroot

LibreQR can be chrooted using PHP-FPM.

YunoHost

There is a package for YunoHost.

For historical reasons, LibreQR is technically named qr in YunoHost.

You can install it from the WebAdmin or with this command:

sudo yunohost app install qr

Themes

Themes are located in themes/*, the default theme is in themes/libreqr/.

You can customize your LibreQR instance look by changing the colors in theme.php, the logo in logo.less or the icons in icons/<size>.png (then list the sizes in theme.php).

Contribute

You can open issues and pull requests on the public forge.

Translations

Contribute on Codeberg's Weblate

You can also manually edit translations in locales/<language-code>.php.

Contact

You can get contact details for the maintainer, feel free to use them if you want more information about using or contributing to LibreQR.

License

LibreQR is published under AGPLv3+. Librairies located in the vendor subdirectory use their own compatible licenses.