Webmaster's tools - Nettools

Here are some links and tools I've found useful for web development.

Web design and development

• Ultimate CSS Gradient Generator : online tool to easily generate CSS gradients (with cross-browser compatibility)

• Debuggex : online tool to visualize regular expressions. Must-have to debug hard-to-read regexps.

• Flexbox CSS Tricks : A graphic memento for CSS flexbox positionning model.

• HTML Color Codes : Memento of 140 named color codes.

Testing and optimization

• CSS Compressor : online tool to minify CSS data (removes comments and newlines).

• BrowserStack : online tool for website testing (on many desktop and mobile browsers). free trial with registration¹.

• Mobile1st : online tool for website testing (mobile browsers). free trial with registration².

File and data processing

• Ico Converter : quickly convert a picture to ICO format (with multiple sizes).

• UTF Cast : a desktop tool to batch convert files to UTF-8/16/32 encoding. Free application is limited to UTF-8 output and missing non-critical functionnalities.

• Base64 Image Encoder : a online tool to convert a picture (1MB max) to a Base64-encoded data uri. Useful for inlining icons directly in html source code, when CSS or an URL is not an option.

• Base64 Decode/Encode : online tool to encode/decode base64 data.

Unit converters

• Unix Timestamp Converter : convert a Unix timestamp to a human-readable date.

• RGB Color Converter : convert a RGB-formatted color to CMJK.

Online editors / formatters

• X-Icon Editor : Simple online icon editor ; can handle 4 icon sizes in a single ico file. Useful for providing custom favicons.

• Online JSON Viewer : Format a JSON string to a human-readable string (with padding and newlines) or tree view.

• XML Viewer : Format XML data to a human-readable data or tree view.