Free Online English Learning Tools

Interactive English Learning Tools

PromGee offers focused free online English tools designed around the same category-based approach as the PromGee Windows app.

Every check gives you instant feedback with a clear rule explanation, so you learn from each correction instead of just checking if you were right.

Our web-based tools provide immediate access without requiring installation or account signups. You can test your grammar accuracy on any browser.

Use this tool as a fast check before writing an email, submitting an assignment, or preparing for an exam.

The checker catches the patterns that confuse learners most: subject-verb agreement ('She go' vs 'She goes'), irregular past tense forms ('buyed' vs 'bought'), article usage ('a new books' vs 'a new book'), and choosing the right preposition ('in', 'on', 'at').

Every correction includes the corrected sentence and a plain-language explanation of the rule, so you build lasting understanding instead of memorizing quick patches.

It is especially useful for non-native speakers preparing for exams such as IELTS, TOEFL, or TOEIC, for professionals writing business emails, and for students polishing essays and assignments.

Because everything runs in your browser, you can check your writing on any device — desktop, tablet, or phone — without installing software or creating an account.

For structured practice, pair this tool with the category-based drills in the PromGee Windows app, which train verb tenses, prepositions, articles, and sentence structure one topic at a time.

A simple daily habit of checking one short paragraph is enough to noticeably improve your grammar accuracy within a few weeks.

The tool addresses mistakes at every level: from basic issues like missing plural 's' or double negatives to advanced ones like dangling modifiers and overused passive voice.

Seeing your original sentence next to the corrected version makes the difference instantly clear and easy to remember.

Your text is processed on the spot and is not stored on our servers, so you can safely check sensitive business or academic writing.

You can check a single word, one sentence, or an entire paragraph. Short checks are ideal for quick learning moments; longer texts are perfect for proofreading emails, essays, and reports before you send them.

For faster progress, keep a personal error log of the corrected sentences you often get wrong, and review them regularly. Combining the checker with the structured quizzes inside PromGee is one of the most effective ways to turn corrections into lasting skills.