CleanTextLab
Visit SiteFree developer tools for clean text and data: JSON formatter, URL/Base64 tools, regex tester, case converter, remove duplicates, and more. Client-side
CleanTextLab
Visit SiteFree developer tools for clean text and data: JSON formatter, URL/Base64 tools, regex tester, case converter, remove duplicates, and more. Client-side
What is CleanTextLab?
CleanTextLab offers free browser-based tools designed to help you clean and normalize text, numbers, and various data formats in seconds. This suite includes an MCP for AI agents and provides optional Pro API access for users requiring higher limits. You can use these tools to ensure your data is consistently formatted and ready for use in any application.
CleanTextLab's Core Features
JSON Formatter & Validator
Beautify, minify, validate, and automatically fix JSON with error highlighting and copy/export options.
Text Cleaning Toolkit
One-click tools to remove line breaks, trim whitespace, remove accents/diacritics, change case, sort and deduplicate lists, and normalize punctuation.
Encoders, Converters & Inspectors
URL and Base64 encode/decode, JWT decoding, MIME type/file extension lookup, CSV↔JSON and YAML↔JSON conversion, SQL/Markdown formatters, hex and number converters.
Regex Tester & Token Analyzer
Live regex testing with match highlighting and a token counter/analyzer for GPT, Claude, and other LLM token budgets.
Privacy-first Client-side Processing + API/MCP
Most tools run entirely in the browser for privacy and speed, with optional Pro API access for higher limits and an MCP server to connect AI agents to deterministic text tools.