Spelling, grammar, and style — AI finds and fixes mistakes in your text on any topic. Paste your text and get a clean result.
0 of 10000 characters
Mode options
A guest gets the first answer without signing in, your request is kept for sign-in
Example: before and after
Despiteof therain,wewenttomeetwith friendsand to and, so as notbe late weto be late,calledataxi.
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Ready-made prompts
Fix spelling
Fix the spelling mistakes, don't change the meaning: [paste text]
Fix and explain
Find the grammar mistakes, fix them, and briefly explain each one: [paste text]
Agreement and cases
Check word agreement and cases, list the errors without editing the text: [paste text]
Examples created by our users
GGraceLanguage teacher
I check my students' texts: the corrections come back as a list, "before - after - why". Going through that with a class is far easier.
BBrianNewsletter author
I cut my emails in half. I asked it to keep only what the meaning falls apart without - open rates went up and unsubscribes went down.
IIvyWrites fan fiction
When I get stuck I ask it to continue the scene in my style. The characters' voices are kept, and sometimes the plot twist turns out better than mine.
Why Moleculs.ai
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What mistakes does AI grammar check catch?
No time to proofread by hand? AI checks spelling, agreement, and style faster than any editor.
Checking an application or a letter for mistakes
Agreement in long sentences
Finding missing letters in a finished text
Proofreading a translation
All of it in one window. Pick a task, write a short prompt, and get a draft you can quickly shape into exactly what you need.
How Moleculai checks grammar
Step 01
Paste your text
Paste your text into the field for "Grammar Check" or press "Insert example".
Step 02
Pick a mode
Pick how it should work: "Spelling and grammar", "Agreement and tenses" and more.
Step 03
Review the changes
See what changed in "Grammar Check" and revert any change you do not want, one by one. The final text copies with one button.
What our users say
Real reviews from our Telegram community
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with Moleculs.ai you get dozens of models in one subscription, clear limits, and ready-made presets that save you time. It helps you scale content, work as a team, and automate routine tasks without extra costs. All of it faster, simpler, and cheaper than piecing together separate tools.
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Answers to questions
No, the AI can miss a rare rule or correct too much. That is why the changes are shown in the text and each one can be reverted.
Try Moleculs.ai right now
Describe your task in one field and get a finished result in minutes. Moleculs.ai brings together the best AI models for text, images, video, and voice in a single interface. Start with a free generation, then subscribe for a larger token limit: write text, scale content, and switch between models without juggling extra tools.
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