Useful tools, ready when you are
Fast calculators, converters and developer utilities that work directly in your browser.
Popular tools
JSON Formatter
Format, validate and minify JSON with clear error messages.
Base64 Converter
Encode text to Base64 or decode it locally in your browser.
Case Converter
Convert text to upper, lower, title, camel, snake or kebab case.
Percentage Calculator
Calculate percentages, increases and decreases instantly.
BMI Calculator
Calculate body mass index and view the standard range.
Unix Timestamp Converter
Convert Unix timestamps and local date times in both directions.
Word Counter
Count words, characters, lines and estimated reading time.
UUID Generator
Generate secure UUID v4 identifiers in batches.
Hash Generator
Generate SHA-256, SHA-384 and SHA-512 hashes locally.
Password Generator
Create strong cryptographically random passwords with custom options.
Length Converter
Convert metric and imperial units with instant precision.
Compound Interest Calculator
Project investment growth with regular contributions.
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