Tools for Students
85 toolsTools to boost your study sessions. Transcribe lectures, format text, train your brain with puzzles, generate focus sounds, and practice typing — all free.
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.
Tangram
Rearrange seven shapes to match the target silhouette. Drag, rotate with R, flip parallelograms with F.
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
Trail
tools/trail.hint
Egg Catcher
tools/egg-catcher.hint
Funny Faces
tools/funny-faces.hint
Chess
Hint
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.
Isochronic Tones
Choose a preset or customize your session in Expert mode. No headphones required — works through any speaker.
Online Alarm Clock
Free online alarm clock with timer, stopwatch, Pomodoro, and world clock. 12 alarm sounds, math puzzle dismiss, screen awake.
Online Clock
Six clock types with educational guides and timezone support.
Audio Speed Changer
Speed up or slow down audio from 0.25x to 4x without changing pitch. Perfect for practice and transcription.
Morse Code Generator
Convert text to Morse code with audio playback. Adjust speed and tone, download as MP3 or WAV.
Morse Code Decoder
Decode Morse code from audio — record from microphone or upload a file. Real-time analysis to text.
Dyslexia Reader
Dyslexia-friendly reader with special fonts, bionic reading, colored overlays, and text-to-speech.
Reading Ruler
Visual reading ruler and color overlay to help with dyslexia and visual stress.
Dyslexia Test
Interactive dyslexia screening with 5 assessments and downloadable PDF report.
Drawing for Kids
Free online drawing tool for kids with brushes, stamps, pixel art mode, 120+ shapes, and color palette.
