Tools for Students
69 toolsTools to boost your study sessions. Transcribe lectures, format text, train your brain with puzzles, generate focus sounds, and practice typing — all free.
Chat Room
Friendly online chat — anonymous, no registration, just real conversations.
Private Chat
Encrypted, no signup, peer-to-peer — share a link and chat privately.
Audio to Notes
Transcribe any audio recording into notes, MIDI, and sheet music using AI.
Spectrogram Lab
Analyze sonograms and spectrograms of wildlife sounds: birds, bats, whales, frogs, insects.
Cell Counter
Automatic cell counting and microscopy image analysis — free, in your browser.
Number to Words
Spell numbers and amounts with real grammar — seven languages, currency, ordinals, cheques and batch mode.
Sign PDF
tools/sign-pdf.hint
Keyboard Layout Converter
Convert between 12 keyboard layouts with auto-detection — QWERTY, Cyrillic, Korean, Arabic and more.
Military Time Converter
Convert between 24-hour military time and 12-hour AM/PM format with live sync, batch mode and reference chart.
Countdown to Date
Live countdown timer to any date with themes, full-screen and shareable link
Percentage Calculator
Percent of a number, percent change, discount, tip, VAT, markup
Barcode Scanner
Scan any barcode or QR code from camera or uploaded image. Get product info, links, and more.
Online Stopwatch
Precise online stopwatch with laps, splits, sparkline and shareable link
Slideshow Maker
Drop multiple photos, add an audio track, pick a transition — get a finished video, slide deck or PDF in one click.
File Transfer
Drop a file or folder, share the 6-letter code or QR — the transfer flows directly between browsers.
BIN/CUE to ISO
tools/bin-cue-to-iso.hint
English Vowel Trainer
Hold the vowel like a long, steady note — don't say the consonants around it. Record somewhere quiet for the clearest reading.
Shadowing Studio
tools/shadowing-studio.hint
Hourglass Timer
Set a duration and watch the sand run through the glass.
Test PDF Generator
tools/test-pdf.hint
Sample Document Generator
tools/sample-document-pack.hint
