# Coda One

> Coda One is a free AI writing and productivity platform with 100+ browser-based tools. Core products: AI Humanizer (makes AI text sound human), AI Detector (checks if text is AI-generated), Grammar Checker, AI Rewriter, AI Translator (33 languages), and 80+ PDF, image, developer, and video utilities. All tools work directly in the browser with no signup required. AI writing tools include 3 free uses per day (Humanizer, Rewriter, Summarizer, Translator, Grammar Checker, Essay Writer, Email Writer, Story Generator, Plagiarism Checker). The AI Detector is unlimited. PDF, image, and developer tools are completely free with no daily limits.

## Writing Tools (AI-powered)

- AI Humanizer — rewrite AI text to sound human, 9 writing modes: https://www.codaone.ai/ai-humanizer
- AI Detector — check if text is AI-generated: https://www.codaone.ai/ai-detector
- Grammar Checker — fix grammar, spelling, punctuation: https://www.codaone.ai/grammar-checker
- AI Rewriter — rephrase in 8 tones: https://www.codaone.ai/ai-rewriter
- AI Translator — translate between 33 languages: https://www.codaone.ai/ai-translator
- AI Summarizer — condense long text into key points: https://www.codaone.ai/ai-summarizer
- AI Essay Writer — generate structured essays: https://www.codaone.ai/ai-essay-writer
- AI Email Writer — draft professional emails: https://www.codaone.ai/ai-email-writer
- AI Story Generator — create stories in multiple genres: https://www.codaone.ai/ai-story-generator
- Plagiarism Checker — check content originality: https://www.codaone.ai/plagiarism-checker
- Paraphrasing Tool — rephrase text while keeping meaning: https://www.codaone.ai/paraphrasing-tool
- Text to Speech — convert text to audio (browser-based): https://www.codaone.ai/text-to-speech
- YouTube Summarizer — summarize any YouTube video with timestamps: https://www.codaone.ai/youtube-summarizer

## PDF Tools (browser-based, free, no upload)

- Merge PDF: https://www.codaone.ai/merge-pdf
- Compress PDF: https://www.codaone.ai/compress-pdf
- Split PDF: https://www.codaone.ai/split-pdf
- PDF to Word: https://www.codaone.ai/pdf-to-word
- Word to PDF: https://www.codaone.ai/word-to-pdf
- PDF to JPG: https://www.codaone.ai/pdf-to-jpg
- JPG to PDF: https://www.codaone.ai/jpg-to-pdf
- Rotate PDF: https://www.codaone.ai/rotate-pdf
- Protect PDF: https://www.codaone.ai/protect-pdf
- Add Page Numbers: https://www.codaone.ai/add-page-numbers-to-pdf

## Image Tools (browser-based, free, no upload)

- Compress Image: https://www.codaone.ai/compress-image
- Remove Background: https://www.codaone.ai/remove-background
- Resize Image: https://www.codaone.ai/resize-image
- Image Converter: https://www.codaone.ai/image-converter
- Crop Image: https://www.codaone.ai/crop-image
- Image to Text (OCR): https://www.codaone.ai/image-to-text

## Developer Tools (browser-based, free)

- JSON Formatter: https://www.codaone.ai/json-formatter
- CSV to JSON: https://www.codaone.ai/csv-to-json-converter
- Base64 Encoder/Decoder: https://www.codaone.ai/base64-encode-decode
- Regex Tester: https://www.codaone.ai/regex-tester
- QR Code Generator: https://www.codaone.ai/qr-code-generator
- Password Generator: https://www.codaone.ai/password-generator

## Pricing

- Free: 3 AI writing uses/day per tool (Humanizer, Grammar Checker, Rewriter, Summarizer, Translator, Essay/Email/Story, Plagiarism Checker), unlimited AI Detector, unlimited PDF/image/dev tools
- Starter: $9.99/month — 30,000 words/month
- Pro: $19.99/month — 100,000 words/month
- Business: $39.99/month — 500,000 words/month
- Accepts credit card and cryptocurrency (USDT, USDC)
- Pricing page: https://www.codaone.ai/pricing

## Chrome Extension

- 5 writing tools in the right-click menu on any webpage
- Free to install, no signup required
- Chrome Web Store: https://chromewebstore.google.com/detail/codaone-ai-writing-assist/ieomknnokmlomhmpkkpdjibkmjpfodpp
- Extension page: https://www.codaone.ai/chrome-extension

## Languages

Available in 6 languages: English, Spanish (/es), Portuguese (/pt), Turkish (/tr), Arabic (/ar), Indonesian (/id), Traditional Chinese (/zh-hant)

## Privacy

PDF, image, and developer tools process files entirely in the browser. No files are uploaded to servers. Writing tools send text to the API for AI processing but do not store content permanently.

## Sitemap

https://www.codaone.ai/sitemap-index.xml