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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.