8 Free Tools on Science Lessons Hub

Dictate notes hands-free using your browser's speech recognition in 50+ languages.

Listen to any text read aloud with word-by-word highlighting and speed controls.

Get an extractive summary of any article or document using the TextRank algorithm.

Extract the most relevant keywords and phrases from any text using the RAKE algorithm.

Analyze the emotional tone of any text with per-sentence sentiment scoring.

Compare two texts and measure their similarity using Jaccard and cosine TF algorithms.

Detect the language of any text using trigram frequency analysis with confidence scores.

Generate customizable QR codes for URLs, text, WiFi, and more with logo overlay support.