IT Tools
An open-source box of handy little tools for developers.
Discover tools worth trying
Curated web tools, experiments and tiny apps from indie makers. Every pick is something you can actually try in 30 seconds.
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Latest tools
PDF24 Tools
Free online tools to merge, split, compress and convert PDFs.
SVGOMG
Shrink SVG files with a visual front end for SVGO.
CyberChef
The cyber Swiss Army knife for encoding, decoding and data analysis.
Invoice Generator
Make a clean invoice in the browser and download it as a PDF.
Namelix
Generate short, brandable business names from a few keywords.
Margin Calculator
Work out profit margin and markup from cost and revenue.
regex101
Build, test and debug regular expressions with a live explanation.
Crontab.guru
Turn cron schedule expressions into plain English.
Transform
Convert between data formats and code: JSON, TypeScript, SVG, JSX and more.
Desmos Graphing Calculator
A free graphing calculator that plots as you type.
Explained Visually
Interactive explanations of math and statistics ideas.