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What is Grammar Fixer?

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Grammar Fixer is one of our AI Tools. Fix grammar, spelling, and punctuation. Paste or type your text on the left and the converted output appears immediately, ready to copy. It runs on our servers, so it needs a free AnythingText account to use — AI-powered tools may also require an active plan. More in this collection: Harness AI to rewrite text, generate images, summarize documents, polish emails, fix grammar, optimize prompts, and more.

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How to use Grammar Fixer

  1. 1

    Sign in to AnythingText with your Google account.

  2. 2

    Open Grammar Fixer and paste your text into the input box.

  3. 3

    Adjust any options — the output updates as you change them.

  4. 4

    Copy the result, or download it as a file.

Key Features

Updates as you type

Output refreshes on every keystroke, so you can see the effect of each change.

One-click copy

Take the result straight to your clipboard, or save it as a file.

Processed, not stored

Your input is used to produce the result and is not kept afterwards.

REST API

Automate it from your own code with an API key.

Works on any device

Full functionality on phone, tablet, and desktop.

Who Is This For?

Writers and editors

Clean up and reshape text without leaving the browser.

Developers

Reformat and inspect data mid-task.

Students

Get assignments into the right shape quickly.

Frequently Asked Questions

Is Grammar Fixer free?

You need a free AnythingText account to use it, because it runs on our servers rather than in your browser. AI-powered tools also draw on a paid plan — the pricing page lists what each plan includes.

Do I need to create an account?

Yes — sign in with Google and you can start straight away. The account exists so the server-side run can be attributed and rate-limited fairly.

What happens to my data?

Your input is sent to our server, used to produce the result, and not stored afterwards. Tools that call an AI provider are covered in detail on our AI processing page.

Is there a limit on how much text I can paste?

No fixed cap. Very large inputs are limited only by what your browser can hold in memory.

Can I use Grammar Fixer from my own code?

Yes. It has a REST endpoint — authenticate with an API key in the X-API-Key header. The API docs cover the request and response shape.

Do I need to install anything?

No. Grammar Fixer runs in the browser on desktop, tablet, and phone. There is nothing to download and nothing to keep updated.

More detail on plans is on our pricing page, and how AI-powered tools handle your data is covered on the AI processing page.

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API Keys

Generate API keys for programmatic access to AnythingText tools. Include X-API-Key header in your requests.

Generate New API Key

Your API Keys

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Quick Start

Use your API key in the X-API-Key header:

curl -X POST https://anythingtext.com/api/tools/case \
  -H "Content-Type: application/json" \
  -H "X-API-Key: atk_your_key_here" \
  -d '{"text": "hello world", "mode": "upper"}'

See API Documentation for all available endpoints.

How It Works

Three simple steps to transform your content. No signup required for most tools.

1

Choose a tool

Browse our catalog or search for exactly what you need. PDF, audio, AI, and developer tools — all in one place.

2

Upload or type

Drop a file, record audio, or paste your text directly. Most tools run in your browser — nothing to install.

3

Get results instantly

Download, copy, or share your results in seconds. Everything is fast, completely private, and free to use.