Development Tools

A selection of web development tools, ranging from em to pixel calculators, to utilities to check whether a JPEG is progressive.

REM to PX Converter

Development Tools

REM to PX Conversion Tool

A tool that lets you convert from REM to PX font sizes automatically when you know the Base font size.

Jonathan Griffin

2 min read
EM to PX Converter

Development Tools

EM to PX Conversion Tool

A tool that lets you convert from EM to PX font sizes automatically when you know the parent font size.

Jonathan Griffin

1 min read
Progressive JPEG Tool

Development Tools

Check if a JPEG image is Progressive Tool

A Progressive JPEG Tester Tool that lets you know if your image is encoded as a progressive JPEG.

Jonathan Griffin

1 min read