PHP Web interface for generating QR codes
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# ![](themes/libreqr/icons/32.png) LibreQR
[Lire ceci en français](
A PHP Web interface for generating QR codes.
## Demo
A LibreQR instance is available at <>.
## Installation
### Generic
Just place this source code in a Web server with PHP.
GD extension is required.
`apt install php7.3-gd`
LibreQR need writing rights on the `css/` directory.
chown -R www-data:www-data /var/www/libreqr/css
chmod -R 600 /var/www/libreqr/css
#### Security hardening
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
### 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 :
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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
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If you want to report a bug, you can open an issue at <> after creating an account (prefered method) or contact me in another way.
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## Contact
If you want to contact me, for instance to report a bug or ask me a question about installing or using LibreQR, you can get my contact details on <>.
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## Libraries
This source code includes:
* [CodeItNow Barcode & QrCode Generator]( to generate QR codes
* [Less.php]( to compile [Less](
## License
LibreQR is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
LibreQR is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License along with this program. If not, see <>.