All Tools

Find the ratio of any width/height and resize proportionally.

Convert HEX color codes to RGB, HSL, and CSS values.

Count characters with/without spaces, words, sentences in real time.

Estimate GPT-5.5 and Claude token usage and API costs.

Calculate exact age from birthday in years, months, days.

Convert Unix epoch timestamps to human-readable dates.

Convert numbers to Roman numerals and back (1–3999).

Count days, weeks, months, and workdays between dates.

Calculate percentage increase or decrease between values.

Convert Markdown to clean HTML with live preview.

Transform CSV spreadsheet data into JSON format.

Calculate tips and split bills with custom percentages.

Estimate federal and state income taxes for 2026.

Estimate auto transport costs by distance, vehicle, and route.

Calculate what score you need on your final exam.

Build cron expressions visually with natural language input.

Format JSON, HTML, CSS, SQL, and more instantly.

Beautify, minify, and validate HTML code instantly.

Beautify, minify, and validate CSS stylesheets instantly.

Format, validate, and convert YAML to JSON.

Beautify, validate, minify, and fix JSON with error line detection.

Format captions with line breaks, spacing, and hashtag counts.

Format VA CPRS lab results into fishbone diagrams and tables.

Parse, format, validate, minify and convert XML instantly.

Generate single or bulk UUID v4 instantly. Copy, download, validate.

Encode text to Base64 or decode Base64 back to text instantly.