Language Flashcard Randomizer - Online Vocabulary Trainer
Paste word pairs (or load pre-made sets) and practice with randomized flashcards. Flip to reveal translation, mark as known/unknown. Local data, no login.
UD5 Toolkit
Online Fingerspelling Practice â Recognize handshapes & master the manual alphabet
Click any letter to see its handshape description. â = you've correctly identified it.
Paste word pairs (or load pre-made sets) and practice with randomized flashcards. Flip to reveal translation, mark as known/unknown. Local data, no login.
Generate customizable alphabet tracing sheets with uppercase and lowercase letters. Select letters to focus on. Instant print. Local only.
Identify common grammar mistakes (subject-verb agreement, tense, articles) with simple rule-based analysis. Explanations provided. Not AI, purely rule-based and local.
Click a letter and watch an animated stroke order for print or cursive. Good for kids learning to write.
Generate a random first and last name typical for US, UK, or Australia. With optional middle initial. Useful for test data.
Test how nonâLatin characters (Chinese, Cyrillic, Arabic) convert to URLâsafe slugs with proper transliteration rules. Preview the final string.
Apply dyslexiaâfriendly fonts, spacing, and background to any text. Preview and copy the formatted version. Improve readability.
Convert any phrase into the NATO phonetic alphabet (Alpha, Bravo, CharlieâŠ). Copy or hear pronunciation. Useful for call centers.
Check English spelling and get suggestions using the browser's built-in dictionary. Highlight errors instantly. No data leaves your machine.
Type or paste Korean Hangul and see the revised romanization. Also works backwards for basic words. Study aid.
Generate cryptographically secure BIP39 mnemonic phrases (12 or 24 words) for HD wallet seeds. All entropy generated locally.
Paste two strings that look the same and see if they differ after normalization. Debug invisible encoding bugs.
Create a completely randomly generated alien script with fonts and syllable patterns. Translate your name into alien. Fun.
Enter Braille dot numbers (1â6) or paste Unicode Braille to decode into English text. Companion to textâtoâBraille.
Create printable sight word flashcards from Dolch or Fry lists by grade level. Choose font size and card layout. Local only.
Create custom flashcards and review them with a simple spaced repetition algorithm. Data stored in your browser. No sign-up required.
Create cards and review using a spaced repetition algorithm (Leitner box simulation). Cards stored locally. Improve exam prep.
Manually manage flashcards with 5 virtual Leitner boxes. See when to review each box next. All data local storage.
Build a small crossword by adding words and clues. Export as a printable grid or solve in browser. Perfect for classrooms.
Build a small crossword by adding words and clues. Export as a printable PNG or JSON. For classroom and fun.
Enter initials (e.g., NASA) and get possible expansions. For creative naming or organizational jokes.
Shows each character's 7âbit or 8âbit binary representation. Includes space separation. For learning binary encoding.
Take a list of items and reverse the line order. The first becomes last. Simple and quick.
Style a drop cap using the initialâletter property. Set size and sink. Modern alternative to pseudoâelement hacks.
Style a drop cap using the initialâletter property. Set size and sink. Modern alternative to pseudoâelement hacks.
Write Q&A in a simple format and export as a CSV file compatible with Anki. Perfect for rapid card creation. Local.
Enter a list of buzzwords or concepts and shuffle them into random pairs. Stimulate creative thinking. All local.
Convert plain text into leet (1337) speak and decode it back. Great for gamer tags and online culture. Fun, free, and local.
Add book titles and authors to a toâread list. Move them to 'finished' and add a rating. Data saved locally.
Enter a URL and extract tabâindex order violations and focusable elements. Quick accessibility audit. Clientâside fetch.