Text Processing
Free text processing tools for regex testing, text comparison, word counting, case conversion, Markdown editing, and duplicate removal.
Text Processing
Free text processing tools for regex testing, text comparison, word counting, case conversion, Markdown editing, and duplicate removal.
Regex Testing Tool
Free online regex tester with real-time matching and highlighted results. Supports common regex library, help debug and validate regular expressions.
Text Comparison Tool
Free online text comparison tool highlighting differences between two texts. Line-by-line comparison, quickly find added, deleted, modified content.
Word Count Tool
Free online word counter with real-time statistics for characters, words, reading time and more. Essential writing assistant tool.
Case Converter
Free online case converter supporting camelCase, snake_case, kebab-case, CONSTANT and more naming formats. Developer essential, convert variable names instantly.
Chinese Converter
Free online Chinese converter for Simplified and Traditional Chinese. Convert text with Mainland China, Taiwan, and Hong Kong vocabulary rules.
String Reversal Tool
Free online string reversal tool with full text, word-by-word, line-by-line modes. Fun text processing for various needs.
Markdown Editor
Free online Markdown editor with real-time preview, syntax highlighting & HTML export. Supports tables, code blocks, diagrams, write more efficiently.
Teleprompter
Free online teleprompter with smooth auto-scroll, fullscreen mode, mirrored text, and adjustable reading pace for video recording, speeches, and livestreams.
Text Deduplication Tool
Free online text deduplication tool supporting line, word, sentence, and paragraph modes. Remove duplicate content with case sensitivity and order options.
Character Frequency Analyzer
Free online character frequency analysis tool. Count occurrences and frequency of each character in your text with case sensitivity and space options.
Pinyin Conversion Tool
Free online Chinese to Pinyin converter with tone marks, tone numbers, no-tone mode, custom separators, and capitalization options.
What you can do here
Text Processing brings together 11 focused browser tools for everyday work. The tools on this page are grouped by task so you can move from discovery to action without opening several separate websites.
Most tools run directly in your browser, which helps keep pasted text, code, files, and generated results on your own device whenever the tool does not require a server-side check.
Common use cases
- Quickly choose the right text processing tool from a single page.
- Handle related tasks such as Regex Testing Tool, Text Comparison Tool, Word Count Tool without changing context.
- Bookmark the category page as a compact toolbox for repeated daily workflows.
FAQ
Are these text processing tools free?
Yes. The tools listed on this page are available online without requiring a subscription.
Do I need to install anything?
No. Open the tool in your browser and use it directly on desktop, tablet, or mobile.
Which tool should I start with?
Start with the card that matches your current task. Each card links to a dedicated page with the controls, examples, and usage notes for that tool.