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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Base64 Decoder

Decode base64 online — turn Base64 strings back into readable UTF-8 text in your browser.

Launch Base64 Decoder
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Base64 Encoder

Base64 encode text online — convert strings to Base64 with full Unicode support, no uploads.

Launch Base64 Encoder
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Case Converter

Convert text case online — uppercase, lowercase, title case, camelCase, and snake_case in your browser.

Launch Case Converter

Cron Generator

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

Launch Cron Generator
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CSS Minifier

Minify CSS online — strip comments and whitespace to compress stylesheets for production.

Launch CSS Minifier
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CSS Unminifier

Unminify CSS online — format minified stylesheets into readable, indented rules for debugging.

Launch CSS Unminifier
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Date Format Converter

Date format converter — change mm/dd/yyyy, dd/mm/yyyy, yyyy-mm-dd, Oracle, and Excel date formats.

Launch Date Format Converter
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Date to Unix

Convert date to unix timestamp — epoch seconds, milliseconds, and ISO UTC output.

Launch Date to Unix
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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 Escape

HTML escape online — convert angle brackets, quotes, and special characters to safe entities.

Launch HTML Escape
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HTML Minifier

Minify HTML online — compress pages, remove comments, and shrink markup for production.

Launch HTML Minifier
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HTML to Markdown

Convert HTML to markdown online — migrate blog posts and CMS exports into clean .md files.

Launch HTML to Markdown
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HTML Unescape

HTML unescape online — turn &, ', and numeric entities back into readable text.

Launch HTML Unescape
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HTML Unminifier

Unminify HTML online — format minified markup into readable, indented structure for debugging.

Launch HTML Unminifier
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Markdown Preview

Live markdown viewer and md preview — render README drafts and notes as HTML in your browser.

Launch Markdown Preview
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Markdown to HTML

Convert markdown to HTML online — export .md files as HTML fragments for CMS, email, or static sites.

Launch Markdown to HTML
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Random Number

Random number generator & RNG — dice roller, number picker, unique integers, decimal ranges.

Launch Random Number
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Random String

Random string generator — create random strings, passwords, and test tokens online.

Launch Random String
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Regex Tester

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

Launch Regex Tester
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Remove All Whitespace

Delete spaces, tabs, and newlines from pasted text — remove all whitespace in your browser.

Launch Remove All Whitespace
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Reverse Text

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

Launch Reverse Text
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Split String

Split string online by delimiter — comma, lines, tab, or custom. Array split JS output, text file import.

Launch Split String
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Text Compare

Compare two texts online — side-by-side diff with line numbers and color highlights.

Launch Text Compare
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Text Repeater

Repeat text online — duplicate strings with newline, space, or comma separators in your browser.

Launch Text Repeater
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Text Viewer

Free text viewer online — open .txt files, read large logs locally with search highlighting.

Launch Text Viewer
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Time Zone Converter

Time zone converter — world time, UTC, IST, PST, CET, and time difference calculator.

Launch Time Zone Converter
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Unix Time to Date

Unix timestamp converter — convert epoch time to date, unix time to date, seconds or ms.

Launch Unix Time to Date
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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 Decoder

UTF-8 decode hex or decimal bytes back to text — utf8 decoder in your browser.

Launch UTF-8 Decoder
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UTF-8 Encoder

UTF-8 encode text online — view bytes as hex or decimal in your browser.

Launch UTF-8 Encoder
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Word Counter

Free word counter online — count words, characters, lines, and import text or PDF files.

Launch Word Counter

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.