Skip to content

Free Tools

Free online tools

Quick utilities for writing, development and security. No sign-up, no uploads: everything runs in your browser.

AI

AI
AI Prompt GeneratorBuild clear, structured prompts for ChatGPT, Claude or Gemini in seconds.

Converters

Converters
Time Zone ConverterConvert a time between any two cities or regions, with world clocks and daylight saving handled.
Converters
Unit ConverterConvert length, weight, temperature, volume, area, speed, data and time units.
Converters
Currency ConverterConvert between 30+ currencies with daily European Central Bank rates.

Text

Text
TranslatorTranslate text between 40+ languages, on your device where your browser supports it.
Text
Word CounterCount words, characters, sentences and reading time as you type.
Text
Case ConverterSwitch text between UPPER, lower, Title, Sentence, camelCase and more.

Calculators

Calculators
CalculatorA standard and scientific calculator with keyboard support and history.
Calculators
Percentage CalculatorWork out percentages, percentage of a total and percentage change instantly.
Calculators
Date CalculatorCount the days between two dates, or add and subtract days, weeks and months.

Security

Security
Password GeneratorCreate strong random passwords locally. Nothing leaves your browser.

Developer

Developer
JSON FormatterPretty-print, minify and validate JSON with clear error messages.
Developer
Base64 Encode / DecodeEncode text to Base64 or decode it back, with full Unicode support.
Developer
URL Encoder / DecoderPercent-encode or decode URLs and query strings safely.
Developer
UUID GeneratorGenerate one or many random v4 UUIDs, ready to copy.

Share this page