100% local processing — your files and data never leave this browser. No uploads, no server storage.

OnboxTools

Text Utilities

Certified Utility Suite

Access our specialized collection of text utilities. Built for security and performance, these tools process all data locally.

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Barcode Generator

Free barcode generator — Code 128, EAN-13, UPC. Download PNG, client-side.

Launch Barcode Generator
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Base64 Encoder

Encode or decode text to Base64 with full Unicode support — no uploads.

Launch Base64 Encoder
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Case Converter

Upper, lower, camel case.

Launch Case Converter
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Color Picker

Color picker from image — sample photo pixels, color wheel, HEX RGB HSL copy.

Launch Color Picker

Cron Generator

Generate cron expressions with presets, custom fields, and plain-English schedules.

Launch Cron Generator
🎨

CSS Minifier

Minify or unminify CSS online — minimise css, compress stylesheets, beautify for editing.

Launch CSS Minifier
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Find and Replace

Find and replace words in text — like Word search replace, 100% in your browser.

Launch Find and Replace
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HTML Entity Encoder

Escape HTML or decode entities (&, ', etc.) — safe for templates and debugging.

Launch HTML Entity Encoder
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HTML Minifier

Minify or unminify HTML online — compress pages, remove comments, beautify markup.

Launch HTML Minifier
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Markdown Preview

Preview Markdown as HTML or convert HTML back to Markdown — live, in your browser.

Launch Markdown Preview
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QR Code Generator

Free QR code generator — URL, text, Wi-Fi. Download PNG, custom colors, scannable.

Launch QR Code Generator
🎲

Random Number

Random number generator & RNG — number picker, unique integers, random strings.

Launch Random Number
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Regex Tester

Test regular expressions with live matches, groups, and flags — JavaScript RegExp in-browser.

Launch Regex Tester
↩️

Reverse Text

Reverse text, words, or lines — invert strings instantly in your browser.

Launch Reverse Text
✂️

Split String

Split string or text by delimiter — array split for JS, CSV, lines, custom separators.

Launch Split String
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Text Repeater

Repeat text for WhatsApp & SMS.

Launch Text Repeater
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Text Viewer

Text viewer and txt reader online — open TXT, read PDF text with search highlighting.

Launch Text Viewer
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Unix Timestamp

Timestamp converter for unix time, epoch, and Linux dates — seconds, ms, UTC, ISO.

Launch Unix Timestamp
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URL Encoder

Encode or decode URLs and query strings with percent-encoding — 100% in-browser.

Launch URL Encoder
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UTF-8 Encoder

UTF-8 encode or decode text online — bytes as hex, utf8 converter in your browser.

Launch UTF-8 Encoder
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Word Counter

Count words, characters, and analyze frequency.

Launch Word Counter
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Deterministic Text Manipulation and Encoding Standards

Textual data is the cornerstone of programming and data exchange. However, issues like UTF-8 BOM, carriage returns (CRLF vs LF), and character encoding can break deployments. Our text utility suite is built on a buffer-based approach to string manipulation. Whether you are performing regex-based filtering or case transformations, our tools respect the Unicode standard to prevent character corruption. Advanced text cleaning involves more than just stripping whitespace; it requires the normalization of hidden control characters and the consistent handling of multi-byte sequences. For developers working with legacy systems, our ASCII-to-Unicode and Base64-to-Text converters provide the necessary bridge to ensure data interoperability across diverse technical stacks.

Text Utilities FAQ

Does the tool handle non-Latin character sets?

Yes, our processing engine is fully Unicode-compliant, supporting Cyrillic, CJK, and Arabic scripts without data loss.

What is the difference between CRLF and LF cleaning?

CRLF is the Windows standard ( ), while LF is Unix/Linux ( ). Our tool allows you to normalize these to prevent git-diff conflicts.

Can I use RegEx for bulk text replacement?

Absolutely. Our advanced replace tool supports standard JavaScript Regular Expression syntax for complex pattern matching.