Professional Text Processing Tools

Versatile text processing tools for all your needs. Simple, secure, and reliable.

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Popular Guides

Writing: Word Count & Layout Control

Use character counting, line processing, and case conversion to polish your drafts.

Data Cleaning & Batch Processing

Deduplicate, sort, and optimize whitespace to clean your text data.

Developer Workflows: Format & Diff

Format/minify and compare text to quickly locate changes.

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Character Counter

Real-time character and word statistics with reading time estimates.

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Text Conversion

Case conversion, line processing, whitespace handling, and more.

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Formatting Tools

JSON, XML, HTML, CSS formatting and minification.

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Text Comparison

Smart text diff with highlighted changes.

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Text Encoder/Decoder

Base64, URL, Unicode, HTML entity encoding.

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Regex Tester

Real-time regex testing with highlighted matches.

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Core Advantages

6+
Useful Tools
0s
Startup Time
Local
Data Processing
Free
Completely Free

Frequently Asked Questions

Are these tools free to use?

Yes, all our text processing tools are completely free to use. No registration or payment required.

Is my data secure?

Absolutely. All text processing happens locally in your browser. No data is uploaded to our servers.

Which browsers are supported?

Our tools work on all modern browsers including Chrome, Firefox, Safari, and Edge.

Recommended Tool Combinations

Content Creation Suite

Perfect for copywriting and content editing

Data Processing Suite

Perfect for data analysis and batch processing

Developer Suite

Perfect for code development and technical docs

Open Source, Free & Transparent

CharTools is an open source project with fully transparent code. Feel free to review and contribute.

GitHub Repository

All code is publicly available. Review the source code to verify our privacy claims.

Visit GitHub Repository

Our Core Principles

  • 100% Local Processing

    Your data never leaves your browser

  • Completely Free

    No registration, no payment

  • Transparent Code

    Open source for review

Real Performance Data

All metrics are verifiable in your browser

<0.5s
Page Load Time

Chrome test, first paint

<100ms
Tool Response

Processing 100K chars

0 Bytes
Data Upload

100% local processing

100%
Open Source

GitHub public code