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Tools for data formatting, parsing, and transformation.

Data

Encode text to Base64 or decode Base64 to text for safe transmission.

Convert images to Base64 or decode Base64 to images for web development.

Convert hex numbers to decimal, binary, octal & more for programming.

Encode HTML to entities or decode HTML entities for safe display.

Convert between regular numbers & Roman numerals with explanations.

Count words, characters, sentences & paragraphs. Analyze readability.

Extract CSV columns by number or name. Handle comments & empty lines.

Convert escaped JSON strings back to readable format with unescape sequences.

Convert JSON objects or text to escaped string format for embedding in code.

Format & beautify HTML code with customizable indentation levels.

See your public IP address & connection details including location & ISP.

Join multiple text pieces with various separators & formatting options.

Format, validate & compare JSON objects with difference highlighting.

Decode JWT tokens to view header, payload & signature components.

Generate secure, random passwords with different character types & lengths.

Generate random numbers in batches with customizable ranges & options.

Generate placeholder text, usernames, emails & sample data for testing.

Split text using characters, regex, fixed lengths, or equal parts.

Right-pad text or each line to a specified length with any character.

Generate UUIDs in batches. Supports v1 (time-based) and v4 (random).