DevToolbox

Universal document converter supporting Markdown, Word (Docx), PDF, HTML, LaTeX, EPUB, RTF, RST, MediaWiki, and hundreds more.

Extract text from images locally in your browser, supports 10+ languages including CJK, no upload needed

Professional and simple online resume builder with PDF export

Real-time counter for words, characters, lines, CJK characters, reading time

A versatile online document editor supporting DOCX import, auto-centered images, font size control, infinite scrolling, and multiple themes.

Real-time Markdown preview with GFM support

Online LaTeX editor with real-time preview, text rendering, zoom, and PDF export

Preview Excel (.xlsx, .xls) and CSV files online

A lightweight online eBook reader, supports importing local EPUB files

Online tool to create exam cheatsheets by automatically arranging text to maximize space, supports PDF export.

Professional online typing practice and speed test tool. Supports English/Chinese, multiple modes, and real-time accuracy statistics.

Real-time speech recognition powered by Whisper AI. Record from microphone and auto-generate meeting notes, summaries, and action items 100% locally.

Full-featured Typst online editor with live preview, math, tables, graphics, and one-click PDF export