Text Tools
Character counting, case conversion, sorting, deduplication, Markdown, regex, JSON/CSV conversion, and more for working with text and data.
36 tools
Speech to Text (STT)
Convert speech to text via your microphone. Korean / English / Japanese / Chinese supported. Great for meetings, interviews, lecture notes, and pronunciation practice.
Hanja Dictionary
Look up ~170 common hanja with Korean reading, meaning, stroke count, and Korean Hanja Proficiency Test grade.
Markdown TOC
Automatically analyze H1โH6 headings in your markdown to build a Table of Contents. Indentation and anchor links handled automatically. Great for GitHub READMEs, tech blog posts, Notion pages, study notes, and meeting minutes.
Markdown Table
Set row/column counts, fill in cells, and the markdown table syntax is generated automatically. Add/remove cells, choose alignment, live preview. Great for GitHub README comparison tables, tech blog spec tables, Notion and Obsidian notes, and meeting decisions.
Hangul โ Roman
Convert Korean Hangul to romanization using the National Institute of Korean Language's Revised Romanization standard. Useful for English business cards, passport name spellings, overseas hotel reservations, and SNS English nicknames.
Morse Code
Convert text to Morse code and back. Supports English, numbers, and Korean jamo, with audio playback. Useful for Morse learning, amateur radio (ham) exam prep, military comms study, coding study aids, and fun message encoding.
Text-to-Speech (TTS)
Read text aloud with computer voice. Uses OS-installed voices in Korean, English, Japanese, Chinese, and more. Adjustable speed and pitch. Useful for pronunciation practice, accessibility, proofreading by ear, language learning, and recording short announcements.
Word Frequency
Count word and character occurrences in text. Stopword removal and case-insensitive options. Useful for extracting paper keywords, blog SEO keyword analysis, checking overused vocabulary in your writing, and log pattern analysis.
LaTeX Math Editor
Enter LaTeX math and KaTeX renders it live. Supports integrals, sigma, matrices, fractions, Greek letters, and more. Save as PNG/SVG or copy the code. Useful for writing papers, math/physics class materials, embedding formulas in blogs, and building presentation slides.
Number โ Korean
Convert 12,345 won to '์ผ๋ง ์ด์ฒ์ผ๋ฐฑ์ฌ์ญ์ค ์' for contracts, receipts, and tax invoices. Auto-adds ์ผ๊ธ/์์ formatting. Useful for Korean real estate contracts, lease agreements, IOUs, receipts, tax invoices, and preventing amount forgery.
Hangul โ English Keyboard
Convert 'dkssudgktpdy' (English typed on a Hangul keyboard) to '์๋ ํ์ธ์' instantly. Works both ways. Useful for recovering accidentally typed text, fixing messages sent in the wrong layout to KakaoTalk or forums, and debugging password Korean/English confusion.
Character Counter
Count characters, words, and lines in real time. Use for Naver blog, cover letters, papers, college essays, contest entries, newspaper columns, and Twitter/SNS character limits.
Text Case
Convert text to UPPER, lower, Title, camelCase, snake_case, kebab-case, or CONSTANT_CASE instantly. Useful for renaming code variables, keeping filenames consistent, building URL slugs, CSS class names, and DB column names.
Line Sort
Sort multi-line text alphabetically, reversed, by length, or randomly. Case-insensitive and dedupe options. Useful for organizing lists, building word dictionaries, data cleansing, alphabetical indexing, and reference list sorting.
Lorem Ipsum
Generate dummy text for design mockups. Both Latin Lorem Ipsum and Korean filler sentences, by word/sentence/paragraph count. Useful for website mockups, magazine and book layout drafts, mobile app wireframes, and print designs.
Markdown Preview
Type markdown and see live HTML preview. Supports GitHub Flavored Markdown (GFM) and HTML source copy. Useful for previewing READMEs, checking blog posts before publishing, and previewing Notion or Discord message formatting.
Korean Spell Check
Check 100+ commonly misspelled Korean expressions instantly. Processed in your browser without external servers โ text is never sent away. Good for quick first-pass checks on KakaoTalk messages, emails, blogs, and SNS posts. This is a beginner/intermediate guide and won't catch context-dependent errors.
Markdown + Math
Render markdown with LaTeX math like $x^2 + y^2 = 1$ in real time. KaTeX-based, exports to PDF โ perfect for paper drafts, lecture materials, math/physics/engineering/economics papers, lecture notes, statistics reports, and student assignments.
Text Diff
Compare two texts side by side to see additions, deletions, and changes. Useful for code review, document change tracking, contract revision review, translation comparison, suspected plagiarism check, and resume version control.
Remove Duplicate Lines
Remove duplicate lines from multi-line text. Case-insensitive, whitespace-ignore, and empty-line options. Useful for deduping email lists, data cleansing, word dictionary cleanup, log analysis, and removing duplicate URLs.
Text Reverse
Reverse text by character, word, or line. Useful for KakaoTalk/SNS jokes, flipping sorted data, study material, and mirror-effect designs.
Line Numbers
Automatically number lines in multi-line text, with adjustable start number, separator, and digit padding. Useful for code quotes, meeting note items, name lists, lecture notes, and printable handouts.
Reading Time
Estimate presentation time (WPM) and silent reading time from character count, with adjustable Korean and English speeds. Useful for fitting talks to time slots, prepping speeches, blog 'X-min read' labels, and audiobook length prediction.
Hanja โ Hangul
Convert 600 commonly used Hanja characters to their Hangul readings. Useful for reading Hanja in newspapers and magazines, looking up names, decoding old documents and contracts, and Hanja exam prep.
ASCII Box
Wrap text in clean ASCII or Unicode boxes. Useful for code comment headers, README highlights, Discord/Slack messages, decorated terminal output, and stylized menu text.
Encoding Convert
Restore broken Korean (๏ฟฝ๏ฟฝ) when EUC-KR/CP949 files are misread as UTF-8. Useful for opening old text files, broken Notepad CSVs/emails, legacy Hancom Office and Korean government files, and Korean filenames that don't display on GitHub.
Lines โ Single Line
Join multi-line text into a single line, or connect with commas, semicolons, or any other separator. Useful for turning a spreadsheet column into a SQL IN clause ('A','B','C'), CSV cleanup, flattening name lists, and building OR keyword queries.
HTML โ Text
Strip all tags from HTML and extract body text only. Useful for cleaning up email HTML bodies, copying website text, tidying RSS feeds, pasting cleanly into ChatGPT, and search-friendly text extraction.
HTML โ Markdown
Convert HTML to markdown. Useful for blog migrations (WordPress, Tistory, Naver Blog โ GitHub, Notion), wiki conversions, moving notes to Obsidian, and cleaning email bodies.
Markdown โ Text
Strip markdown syntax (**bold**, [link], # heading, etc.) and leave only the text. Useful for accurate character counts in cover letters or blog posts, sending markdown notes via plain email/KakaoTalk, and clean ChatGPT input.
Text Compress
Compress long text (JSON, code) with LZ-string into short strings. Useful for passing data via URL parameters, creating short shareable links, saving localStorage space, and sharing long code in chats.
Blockquote Maker
Prepend '>' to text in markdown blockquote or email quote format. Useful for inserting quotes in markdown blog posts, quoting originals in email replies, making Slack/Discord blocks, and writing debate or rebuttal posts.
Word Cloud
Visualize frequently used words by size to make a word cloud. Useful for keyword visualization in presentations, summarizing survey responses, theme analysis of papers and blog posts, and mind map/infographic design.
Emoji Search
Search emojis by Korean or English keyword and copy with one click. Useful for KakaoTalk/Instagram/Twitter posts, decorating Notion page headers, email signatures, GitHub README, and presentation highlights.
Number โ English
Convert numbers to English words. Useful for English check writing, international contracts, English invoices, writing/composition, and English exam answers.
Text Stats
Analyze characters, words, sentences, paragraphs, average sentence length, and readability scores in one go. Useful for checking readability of cover letters, blog posts, and papers; evaluating English learning material difficulty; and self-diagnosing your writing.