Free Online Tools

Fast, free tools that run right in your browser. No signup, no upload, no tracking of your data.

JSON Formatter

Format, validate, and minify JSON with syntax highlighting.

Data

Base64 Encoder / Decoder

Encode or decode text and files to and from Base64.

Encoding

UUID Generator

Generate v4 or v1 UUIDs, one at a time or in bulk.

Generator

Diff Checker

Compare two texts side by side with highlighted changes.

Text

Case Converter

Convert text to UPPER, lower, Title, camelCase, snake_case, kebab-case.

Text

Word & Character Counter

Count words, characters, sentences, and estimated reading time.

Text

Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes instantly.

Crypto

Timestamp Converter

Convert Unix timestamps to human-readable dates and back.

Time

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