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Extract data tables out of an .xlsx spreadsheet privately: pick a sheet, preview it, and download CSV or JSON. Nothing is uploaded.
Turn a .vcf contact export into a clean, searchable CSV: one row per contact, names, phones, emails, organisations and addresses, in your browser.
Turn a CSV list of names and phone numbers into a phone-ready .vcf file: proper RFC 4180 parsing, column mapping, vCard 3.0 output, in your browser.
Extract text and chapters out of an EPUB ebook locally: container to package to spine order, chapter by chapter, in your browser. Nothing is uploaded.
Paste formatted text from Word, Google Docs or a web page and get clean Markdown: headings, bold, italic, lists, links, quotes, code blocks and tables, all in your browser.
Identify the language and script of any snippet of text: script detection from Unicode blocks plus common-word scoring for Latin, Cyrillic and Arabic scripts, with a confidence label.
Score your text with Flesch Reading Ease, Flesch-Kincaid Grade, Gunning Fog and SMOG, plus word, sentence and syllable counts and your longest sentences.
Find hidden characters in pasted text: zero-width spaces, joiners, BOM, non-breaking spaces, soft hyphens and direction controls, with a cleaned copy.
Find a character by name or code point, copy it with its HTML entity, and inspect pasted characters to see their exact code points.
Make fast checklists that stay private on your device: multiple lists, priorities, due dates, filters, and JSON export and import.
Make, study and flip digital flashcard decks in your browser: add cards, shuffle, mark known or still learning, and export or import decks as JSON.
Conjugate a Form I Arabic verb in past, present and command from any three-letter root, plus ready-made hollow (قال) and defective (دعا) tables, with the present vowel you pick yourself.