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AI-Powered Spelling Education
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Train Your Eye to Spot Spelling Errors in Real Writing
The Proofreading Lab generates realistic passages with carefully embedded spelling errors for you to find and correct. Unlike traditional spelling tests that present words in isolation, this tool trains you to spot errors in context — the actual skill you need in real writing. The AI controls error types (homophones, doubled letters, common substitutions) and density, adapting to your detection skill level. Research shows proofreading practice transfers directly to improved accuracy in your own writing.
Free plan available — No credit card required
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All grade levels
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Get started in minutes with just a few simple steps
Select a topic, grade level, and difficulty. The AI generates a natural-sounding passage with a specific number of spelling errors embedded. You know how many to find — but not where they are.
Read the passage carefully and click on words you think are misspelled. Type the correct spelling for each error you find. The timer tracks how long you take, building both accuracy and speed.
See which errors you caught, which you missed, and any false positives (words you flagged that were actually correct). The AI explains each error type and shows the pattern behind the mistake.
Built with cutting-edge AI to make spelling practice effective and engaging
Every passage is freshly generated with natural-sounding prose on engaging topics. Errors are embedded in realistic positions — the same places real writers make mistakes — not randomly scattered.
Focus on specific error types: homophones (their/there), common substitutions (recieve/receive), doubling errors (occured/occurred), or mixed. The AI generates passages targeting your weakest error categories.
Error density, word complexity, and passage length adapt to your skill. Beginners get shorter passages with obvious errors. Advanced proofreaders get longer texts with subtle, easily-overlooked mistakes.
Optional timed mode builds proofreading speed. Track your words-per-minute proofreading rate and errors-caught percentage over time as both accuracy and speed improve together.
After each exercise, see a breakdown of errors by type, your catch rate for each category, and specific patterns in what you miss. This meta-awareness sharpens your proofreading instincts.
Regular proofreading practice trains your eye to notice errors that you would otherwise skim past in your own writing. The AI tracks whether your error patterns in proofreading match your own spelling weaknesses.
Content automatically adapts to each student's level and ability
Learners who can spell words correctly on tests but miss errors in their own writing, because they need practice spotting mistakes in the flow of natural text, not isolated word lists.
Educators who want to build students' proofreading skills with controlled exercises that target specific error types and track individual improvement over time.
Adults who want to sharpen their proofreading accuracy for professional writing, academic papers, or English language proficiency assessments.
AI generates fresh, natural passages so you never practice on the same text twice
Error type targeting focuses practice on your specific weakness patterns
Contextual practice transfers directly to catching errors in your own writing
Timed challenges build both accuracy and speed simultaneously
Detailed analysis reveals your blind spots and sharpens proofreading instincts
Adaptive difficulty keeps exercises challenging without being frustrating
Join students, parents, and teachers who use EZSpell to make spelling practice effective and genuinely fun.
Free plan available — No credit card required — Cancel anytime