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Developer tools

Utilities to format, validate and convert data without sending anything anywhere.

data_object

JSON Formatter

Format, validate and minify JSON in your browser.

swap_horiz

Base64 Encoder / Decoder

Convert text to Base64 and back.

fingerprint

UUID Generator

Generate UUID v4 values in bulk, with or without hyphens.

key

JWT Decoder

Inspect the contents of a JSON Web Token.

schedule

Timestamp Converter

Convert a Unix timestamp to a date and back.

link

URL Encoder / Decoder

Encode and decode URLs and URL components.

rule

Regex Tester

Test regular expressions and see matches in real time.

difference

Text Diff

Compare two texts and see the differences line by line.

Yavuni

Calculadoras e ferramentas que rodam inteiramente no seu navegador. Sem cadastro, sem armazenamento de dados.

Calculators

  • Compound interest calculator
  • Percentage calculator
  • Loan calculator
  • Fuel calculator
  • Rule of three calculator
  • Simple interest calculator
  • Date calculator
  • Age calculator

Developer tools

  • JSON Formatter
  • Base64 Encoder / Decoder
  • UUID Generator
  • JWT Decoder
  • Timestamp Converter
  • URL Encoder / Decoder
  • Regex Tester
  • Text Diff

Text tools

  • Character and word counter
  • Case converter
  • Slug Generator
  • Remove duplicate lines

Image tools

  • Compress image
  • Resize image
  • Convert image (JPG, PNG and WebP)
  • Crop image
  • Rotate and flip image
  • Favicon generator
  • Image color palette
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