CleanTextLab

AI Developer Tools AI Productivity Tools AI API

Free developer tools for clean text and data: JSON formatter, URL/Base64 tools, regex tester, case converter, remove duplicates, and more. Client-side

Pricing:Freemium

Price: $2/month

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About

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.

Key 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.

How to Use CleanTextLab

1. Open CleanTextLab and paste your text/data into Magic Input or a specific tool. 2. Choose a tool (e.g., JSON Formatter, URL Sanitizer, Regex Tester) and review the output instantly. 3. Adjust options (formatting style, validation, deduplication, case) to get deterministic results. 4. Save/copy your cleaned data, or use Pro API/MCP to integrate into scripts and agents.

Use Cases

•- Content cleanup for blogs, docs, and emails

•- Preparing JSON/CSV for APIs and imports

•- Removing tracking params from shared URLs

•- Normalizing names, titles, and casing at scale

•- QA checks: token counts, diff compare, hash verify

•- Phone number and timestamp normalization

Frequently Asked Questions

Q: What is CleanTextLab?

A: A suite of browser-based tools to clean and normalize text, code, and common data formats.

Q: Is it free?

A: Yes. Core tools are free; Pro adds API access, advanced features, and higher limits.