Free Online Developer, Text & Data Tools
Use our free online developer, text, and data tools to process single inputs or large multi-line lists.
Every utility runs locally in your browser memory to preserve exact formatting with zero server data storage.
Featured Text Tools
Word and Character Counter
Count words, characters, sentences, paragraphs, and reading time.
Text Replacer
Find and replace text, escape sequences, or RegEx patterns.
Featured Data & List Tools
Email Extractor
Extract all valid email addresses from text or HTML.
Email Validator
Validate syntax and clean up to 100,000 emails at once.
Featured Decoding Tools
Base64 Decoder
Decode standard or URL-safe Base64 into plain UTF-8 text.
Bulk Base64 Decoder
Decode up to 100,000 Base64 lines at once into text.
Featured Encoding Tools
Base64 Encoder
Encode plain UTF-8 text into standard or URL-safe Base64.
Bulk Base64 Encoder
Encode up to 100,000 text lines into Base64 at once.
Featured Hash & Checksum Tools
MD5 Hash Generator
Generate a 128-bit MD5 hash from plain UTF-8 text.
SHA1 Hash Generator
Compute a 160-bit SHA1 hash from plain UTF-8 text.
Featured Random Generator Tools
Random Number Generator
Generate up to 100,000 random integers or decimals at once.
Random Password Generator
Generate up to 100,000 strong random passwords at once.