ToolBoxOnline Blog

You don't always have your dev setup. Here's when a browser code formatter beats Prettier, when it doesn't, and how to choose the right tool for the job.

SVG files from design tools are bloated with metadata, comments, and editor cruft. I tested 4 SVG minification methods on 30 real-world files to find the winner.

HTML to Markdown isn't just about pretty formatting. It's about making content portable across platforms. Here's when the conversion matters and how to do it right.

You got a QR code as an image, not a link you can click. Your phone is in the other room. Here's how to scan any QR code directly from your browser in seconds.

Missing anchors, misplaced quantifiers, and forgotten flags break regex. A regex tester catches these edge cases instantly.

Celsius to Fahrenheit. Kilograms to pounds. Liters to gallons. Five conversions means five Google tabs. Here is how to do them all in one place.

A missing space after a hash. A table with one extra pipe. A code block without a blank line. A preview catches them before you push.

The monthly payment sounds fine until you multiply it by 60 and realize you are paying thousands in hidden interest. Here is how to spot it before you sign.

Most JSON formatters just indent. The good ones catch trailing commas, unquoted keys, and missing brackets before they waste your time.

Turn any image into a Base64 data URI string and paste it directly into an img tag. No file upload, no external URL, no blocked content.

Trailing commas. Unescaped quotes. Duplicate keys that silently lose data. Four JSON errors that cost real time and how to catch each one in seconds.

A WiFi QR code on your fridge ends the password spelling game forever. Here is how to make one and three other practical uses for QR codes.