UD5 Toolkit
Active ↔ Passive Voice Converter – Rewrite Sentences
Convert a sentence from active voice to passive voice and vice versa. Helps you understand and practice the grammatical structure for clearer writing.
Tag: Online Grammar Checker
8+ toolsContextual Spell Checker – Commonly Confused Words
Paste your text to highlight commonly confused words (their/there, affect/effect) with usage explanations. A second set of eyes for editing important emails.
Homophone Practice – Their, There, They’re & More
Fill in the blank with the correct homophone in contextual sentences. Covers to/two/too, your/you’re, and other commonly confused words.
Simple Sentence Diagrammer – Online Visual Grammar
Type a simple sentence and see a rudimentary Reed‑Kellogg diagram. Educational.
Grammar Terms Hangman – Online Guess the Word Game
Classic hangman with linguistic terms (adjective, participle, etc.). Solidify your grammar vocabulary.
Basic Grammar Checker - Online Free Writing Assistant
Identify common grammar mistakes (subject-verb agreement, tense, articles) with simple rule-based analysis. Explanations provided. Not AI, purely rule-based and local.
Online Spell Checker - Free Text Correction with Suggestions
Check English spelling and get suggestions using the browser's built-in dictionary. Highlight errors instantly. No data leaves your machine.
Parts‑of‑Speech Tagger - Online Text Analyzer
Paste a sentence and see each word tagged with its part of speech (noun, verb, adjective). Local rule‑based analysis.