Students
39 toolsTools to boost your study sessions. Transcribe lectures, format text, train your brain with puzzles, generate focus sounds, and practice typing — all free.
Speech to Text
Speak into your microphone and watch text appear in real time. Voice commands, auto-punctuation, 60+ languages.
Audio to Text
Upload any audio file and get accurate text transcription with timestamps. Powered by Whisper AI, 100% private — runs in your browser.
Text to Speech
Convert text to natural speech with neural AI voices in 30+ languages. Download as MP3 for free.
Online Voice Recorder
Record from microphone or system audio directly in your browser. No installation, no signup — just press record.
Word Counter
Count words, characters, sentences, paragraphs. Readability scores, keyword density, social media limits. Free, private.
Text Formatter
All-in-one text formatter: 60+ operations for case conversion, cleaning, encoding, fancy text. Free, private, in browser.
Punctuation & Spell Checker
Check punctuation and spelling for 6 languages — commas, periods, dashes, typos. Rule explanations and one-click fix.
World Alphabets
Interactive alphabet guide for 12 languages. Click any letter to hear its pronunciation. Learn mode + quiz mode.
Memory Game
Match card pairs to train your memory with adjustable difficulty.
Snake Game
tools/snake-game.hint
Maze Game
Navigate procedurally generated mazes with increasing difficulty. Four modes from easy to extreme.
Sokoban
Push all boxes onto the goal markers. 155 hand-crafted levels from easy to expert.
2048
Slide tiles with arrow keys or swipe. Merge matching numbers to reach 2048!
Lights Out
Toggle lights to turn them all off. Clicking a light flips it and its neighbors.
Sliding Puzzle
Slide numbered tiles into the correct order. Choose 3x3, 4x4, or 5x5 grid size.
Flood Fill
Fill the entire board with one color in the fewest moves possible.
Nonogram
Use number clues to fill cells and reveal hidden pixel art pictures. 20+ puzzles from easy to hard.
Pipe Puzzle
Rotate pipe segments to connect the water source to every endpoint. Tap or click to rotate.
Dino Runner
Play the classic dinosaur runner game — jump over obstacles and set your high score
Cognitive Test
Test attention, memory, reaction time, and spatial reasoning with instant results.
IQ Test
Free scientifically-designed IQ test with adaptive matrices, spatial reasoning, and pattern recognition. Get accurate IQ score with confidence interval.
Neuro Test
Check your mental sharpness with 7 scientific assessments. Find out your mental age.
Binaural Beats Generator
Use headphones for the binaural effect to work.
White Noise Generator
Mix 45 ambient sounds for sleep, focus, and relaxation. Set a sleep timer, customize your mix, and export to any format.
