CleanTextLab

What it does

Free developer tools for clean text and data: JSON formatter, URL/Base64 tools, regex tester, case converter, remove duplicates, and more. Client-side processing (works offline) and privacy-focused. Try now!

Free developer tools for clean text and data plus MCP for AI agents. JSON formatter, URL/Base64 tools, regex tester, case converter, remove duplicates, and more. No ads, works offline.

Clean messy text, format code, convert data. No signup. Works offline. 35+ tools. JSON, CSV, Base64, URLs, phone numbers, SQL - just paste it and we'll detect what you need. Quick browser tools for everyday text tasks. Free forever, no account needed. REST API & React SDK. Build text processing into your apps programmatically. The standard library for agents. Give Claude, Cursor, and other AI tools deterministic text processing. Format phone numbers to E.164, international, or national styles Meet the new CleanTextLab Hex Converter. Fully upgraded with Base64 conversion, interactive xxd-style hex dumps, copy-as-code formatting, color palettes, endianness swapping, bitwise calculators, and…from cleantextlab.com

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