# Neo Cortex - Browser Extensions & Web Productivity Suite

> Neo Cortex builds privacy-first, local-execution browser extensions for AI chat archiving, media downloading, newsletter PDF vaulting, SERP rank tracking, and social media growth automation.
> Available in 10 languages: English, Español, Deutsch, 日本語, Português, Français, Italiano, 한국어, 中文, Nederlands.

## Summary & Core Value Proposition
- **Local-First Architecture**: All content parsing, PDF rendering, and media extraction run inside the user's browser sandbox (Zero-Knowledge model). No raw text or credentials leave the user's device.
- **iOS Mobile Applications**: Offline-first iOS apps using Apple Vision and PhotoKit for 100% private, on-device photo decluttering and storage management.
- **Cross-Browser Support**: Extensions are available on the Google Chrome Web Store and Mozilla Firefox Add-ons.
- **Enterprise Features**: Cloud Sync integration with Google Drive (`drive.file` scope), Dropbox, and Notion.
- **Multilingual**: Full UI and product pages available in 10 languages.

## Primary Product Matrix

### 1. AI Chat Exporters (PDF, Markdown, JSON, Text, CSV)
- [AI Chat Exporter](https://neocortexai.in/ai-chat-exporter): Universal export tool for ChatGPT, Claude, Gemini, DeepSeek, Grok, and 8+ platforms.
- [AI Chat Exporter – Grok, Perplexity, Copilot & Gemini](https://neocortexai.in/ai-chat-exporter-grok-per): Batch export for Grok, Perplexity AI, Microsoft Copilot, and Google Gemini.
- [DeepSeek to PDF](https://neocortexai.in/deepseek-to-pdf): High-fidelity archiver for DeepSeek reasoning chains, LaTeX formulas, and code blocks.
- [ChatGPT to PDF](https://neocortexai.in/chatgpt-to-pdf): Save ChatGPT conversations with code syntax formatting and cloud sync.
- [Claude to PDF](https://neocortexai.in/claude-to-pdf): Export Claude.ai chats and artifacts into clean PDF/Markdown documents.
- [Export Gemini Chats to PDF](https://neocortexai.in/gemini-to-pdf): Backup Gemini workspace developer threads.
- [Perplexity to PDF](https://neocortexai.in/perplexity-to-pdf): Export Perplexity threads with inline numbered citations and research sources.
- [Microsoft Copilot to PDF](https://neocortexai.in/microsoft-copilot-to-pdf): Archive Copilot (Bing Chat) enterprise discussions.
- [GitHub Copilot to PDF](https://neocortexai.in/github-copilot-to-pdf): Archiver for GitHub Copilot Chat logs and code snippets.
- [Export Google AI Studio Chats to PDF](https://neocortexai.in/google-ai-studio-to-pdf): Export Gemini developer prompts and fine-tuning outputs.
- [Grok to PDF](https://neocortexai.in/grok-to-pdf): Archiver for xAI Grok conversations on X.com.
- [Venice AI to PDF](https://neocortexai.in/venice-to-pdf): Privacy-first, zero-knowledge Venice AI exporter.
- [CoCounsel to PDF](https://neocortexai.in/cocounsel-to-pdf-export-c): Legal research thread archiver for CoCounsel.
- [Synapse AI](https://neocortexai.in/synapse-ai): AI YouTube video summarizer, bot-free Google Meet live transcriber & universal tab audio capture with 1-click Markdown, PDF, and Notion export.

### 2. Newsletter & Media Downloaders
- [Newsletter PDF Downloader](https://neocortexai.in/newsletter-pdf-downloader): Export Substack, Medium, Beehiiv, Ghost, and Patreon posts to PDF.
- [Substack PDF Downloader](https://neocortexai.in/substack-pdf-downloader): Convert Substack posts into clean, formatted PDFs.
- [Substack Video Downloader](https://neocortexai.in/substack-downloader): Save Substack embedded videos and podcasts as MP4/MP3 files.
- [Substack Archive Search](https://neocortexai.in/substack-archive-search): Full-text search across any Substack author's complete post archive.
- [Medium PDF Downloader](https://neocortexai.in/medium-pdf-downloader): Save Medium stories, member posts, and responses as clean PDFs.
- [Beehiiv PDF Downloader](https://neocortexai.in/beehiiv-pdf-downloader): Download Beehiiv newsletters and publication archives.
- [Ghost PDF Downloader](https://neocortexai.in/ghost-pdf-downloader): Export custom domain Ghost publication posts to PDF.
- [Patreon PDF Downloader](https://neocortexai.in/patreon-pdf-downloader): Save Patreon creator posts and images offline.
- [Video Downloader for Instagram, Reddit, Pinterest](https://neocortexai.in/video-downloader-bundle): Universal HD video and MP3 audio downloader for TikTok, Instagram Reels, X/Twitter, Reddit, Pinterest, Substack, and Patreon.
- [X (Twitter) Video Saver](https://neocortexai.in/x-video-saver): 1-click video downloader for X.com timelines and replies.
- [Tweet Copier](https://neocortexai.in/tweet-copier): Capture and copy X threads into structured Markdown for Obsidian or Notion.
- [Twitter Screenshot](https://neocortexai.in/twitter-screenshot): Generate high-resolution tweet screenshots with gradient backgrounds.

### 3. SEO & Social Growth Tools
- [SERP AI](https://neocortexai.in/serp-ai): Real-time Google Search SERP analyzer, competitor content gap detector, and keyword rank tracker.
- [AI Growth Copilot](https://neocortexai.in/ai-growth-copilot): Multi-platform social distribution tool for Reddit, LinkedIn, Twitter, and GEO/SEO audits.
- [Twitter Manager](https://neocortexai.in/twitter-manager): Bookmark organizer and account cleanup tool for X (Twitter).

### 4. Utility Tools
- [Scroll to Top & Bottom](https://neocortexai.in/scroll-to-top-bottom): Floating button for instant page navigation on any website.
- [Grocery Coupon Clipper](https://neocortexai.in/grocery-coupon-clipper): One-click digital coupon activator for grocery stores and pharmacies.

### 5. Client-Side Web PDF Tools (47 Privacy-First Tools, 100% In-Browser)
- [PDF Tools Hub](https://neocortexai.in/pdf-tools): Complete suite of 47 local-first PDF tools running entirely in browser WebAssembly memory.
- [Merge PDF](https://neocortexai.in/pdf-tools/merge-pdf): Combine multiple PDF documents with zero data transmission.
- [Split PDF](https://neocortexai.in/pdf-tools/split-pdf): Extract custom page ranges or burst pages.
- [Compress PDF](https://neocortexai.in/pdf-tools/compress-pdf): Reduce PDF file sizes with canvas resampling while keeping vector text sharp.
- [PDF to Image](https://neocortexai.in/pdf-tools/pdf-to-image): Convert PDF pages to 300 DPI JPG/PNG images and ZIP bundles.
- [Images to PDF](https://neocortexai.in/pdf-tools/image-to-pdf): Merge photos and screenshots into single vector PDFs.
- [Organize PDF](https://neocortexai.in/pdf-tools/organize-pdf): Reorder, rotate, or delete pages in visual thumbnail grid.
- [Rotate PDF](https://neocortexai.in/pdf-tools/rotate-pdf): Rotate pages 90°, 180°, or 270°.
- [Protect PDF](https://neocortexai.in/pdf-tools/protect-pdf): Password encrypt PDF files in browser memory.
- [Add Watermark](https://neocortexai.in/pdf-tools/add-watermark): Diagonal or centered text watermarks with custom opacity.
- [Add Page Numbers](https://neocortexai.in/pdf-tools/page-numbers): Custom header/footer page numbering.
- [Remove Password](https://neocortexai.in/pdf-tools/remove-password): Unlock password-protected PDFs locally.
- [Flatten PDF](https://neocortexai.in/pdf-tools/flatten-pdf): Bake form fields and annotations into static content.
- [Crop & Resize](https://neocortexai.in/pdf-tools/crop-resize-pdf): Standardize to A4, Letter, A3, Legal or crop margins.
- [Markdown to PDF](https://neocortexai.in/pdf-tools/markdown-to-pdf): Live Markdown editor with formatted PDF export.
- [Invert Colors](https://neocortexai.in/pdf-tools/invert-pdf): Dark mode inversion for comfortable reading.
- [PDF to ZIP](https://neocortexai.in/pdf-tools/pdf-to-zip): Burst multi-page documents into individual single-page PDFs.
- [Repair PDF](https://neocortexai.in/pdf-tools/repair-pdf): Rebuild corrupted cross-reference tables.
- [Extract Text](https://neocortexai.in/pdf-tools/extract-text): Extract text layers to downloadable .txt.
- [Scan to PDF](https://neocortexai.in/pdf-tools/scan-to-pdf): Web camera scanner with live page capture.
- [Compare PDFs](https://neocortexai.in/pdf-tools/compare-pdfs): Side-by-side synchronized document difference viewer.
- [OCR PDF](https://neocortexai.in/pdf-tools/ocr-pdf): 15-language in-browser OCR engine.
- [Redact PDF](https://neocortexai.in/pdf-tools/redact-pdf): Irreversible 300 DPI pixel-level redaction for PII security.
- [Word to PDF](https://neocortexai.in/pdf-tools/word-to-pdf): Convert .docx files to PDF in browser.
- [Edit PDF Text](https://neocortexai.in/pdf-tools/edit-pdf-text): Visual text replacement editor.
- [HTML to PDF](https://neocortexai.in/pdf-tools/html-to-pdf): Code editor and live preview HTML-to-PDF converter.
- [CSV to PDF](https://neocortexai.in/pdf-tools/csv-to-pdf): Convert CSV spreadsheets to styled paginated PDF tables.
- [Excel to PDF](https://neocortexai.in/pdf-tools/excel-to-pdf): Convert .xlsx workbooks to clean PDF tables.
- [PDF to Audio](https://neocortexai.in/pdf-tools/pdf-to-audio): Text-to-speech engine using Web Speech API with paragraph tracker.
- [Privacy Scanner](https://neocortexai.in/pdf-tools/privacy-scanner): Regex scanner for SSN, PAN, Aadhaar, Credit Cards, and IBANs.
- [Create PDF](https://neocortexai.in/pdf-tools/create-pdf): In-browser rich text document builder.
- [Fingerprint PDF](https://neocortexai.in/pdf-tools/fingerprint-pdf): Embed zero-width tracking watermarks to trace leaks.
- [PDF to Excel](https://neocortexai.in/pdf-tools/pdf-to-excel): Extract coordinate grid tables into .xlsx spreadsheets.
- [PDF to HTML](https://neocortexai.in/pdf-tools/pdf-to-html): Generate standalone responsive HTML documents.
- [PDF to Word](https://neocortexai.in/pdf-tools/pdf-to-word): Convert PDF text structures into editable .docx documents.
- [P2P File Share](https://neocortexai.in/pdf-tools/p2p-share): Direct browser-to-browser WebRTC encrypted file transfer.
- [GST Invoice Generator](https://neocortexai.in/pdf-tools/gst-invoice): Indian tax invoice creator with auto CGST/SGST/IGST breakdown.
- [POS Billing Receipt](https://neocortexai.in/pdf-tools/pos-billing): 80mm thermal receipt generator for retail and hospitality.
- [Whiteboard to PDF](https://neocortexai.in/pdf-tools/collab-whiteboard): Interactive drawing canvas with pens, shapes, and PDF export.
- [Speech to PDF](https://neocortexai.in/pdf-tools/audio-to-pdf): Live microphone voice dictation note generator.
- [PDF to EPUB](https://neocortexai.in/pdf-tools/pdf-to-epub): Convert PDFs to reflowable .epub e-books for Kindle and e-readers.
- [eBook to PDF](https://neocortexai.in/pdf-tools/ebook-to-pdf): Unpack EPUB archives and typeset into printable PDFs.
- [Sign PDF](https://neocortexai.in/pdf-tools/sign-pdf): Canvas signature pad and form filler that stamps drawn signatures onto PDF pages.
- [PDF to Grayscale](https://neocortexai.in/pdf-tools/pdf-to-grayscale): Luminance-aware color desaturation to save printer toner.
- [N-Up PDF](https://neocortexai.in/pdf-tools/n-up-pdf): Fit 2, 4, or 9 source pages per A4/Letter sheet for booklets.
- [Deskew PDF](https://neocortexai.in/pdf-tools/deskew-pdf): Auto-detect tilt angle and straighten crooked scanned pages.
- [Bates Numbering](https://neocortexai.in/pdf-tools/bates-numbering): Sequential legal numbering with custom prefixes and positions.

### 6. Image Tools (100% In-Browser)
- [Image Tools Hub](https://neocortexai.in/image-tools): Privacy-first image suite running entirely in browser memory.
- [HEIC to JPG/PNG](https://neocortexai.in/image-tools/heic-to-jpg): Decode Apple HEIC/HEIF photos to universal JPG or PNG.
- [Image Compressor & Resizer](https://neocortexai.in/image-tools/image-compressor): Bulk compression with quality sliders, custom dimensions, and batch ZIP.
- [Passport Photo Maker](https://neocortexai.in/image-tools/passport-photo-maker): Official ID sizes (US 2x2", Schengen 35x45mm) with 4x6 print sheets.
- [Remove Background](https://neocortexai.in/image-tools/remove-background): On-device AI cutout with transparent PNG or color replacement.
- [SVG Converter](https://neocortexai.in/image-tools/svg-converter): High-DPI SVG rasterization and bitmap-to-vector tracing.
- [EXIF Remover](https://neocortexai.in/image-tools/exif-remover): View and strip GPS/camera metadata in one click.

### 7. Developer Tools (100% In-Browser)
- [Dev Tools Hub](https://neocortexai.in/dev-tools): Privacy-first developer utilities running entirely in browser memory.
- [JSON Formatter](https://neocortexai.in/dev-tools/json-formatter): Validate, format, minify, and tree-inspect JSON.
- [CSV/JSON/Excel Converter](https://neocortexai.in/dev-tools/data-converter): Bi-directional tabular data conversion between CSV, JSON, and Excel.
- [Text & Code Diff](https://neocortexai.in/dev-tools/text-diff): Side-by-side and inline syntax diff comparison.
- [Base64 Converter](https://neocortexai.in/dev-tools/base64-converter): File/string Base64 encode-decode with instant preview.
- [SQL Formatter](https://neocortexai.in/dev-tools/sql-formatter): Beautify and minify SQL across common dialects.
- [Regex Tester](https://neocortexai.in/dev-tools/regex-tester): Live pattern matching with match highlighting.

### 8. Financial Calculators (100% In-Browser)
- [Calculators Hub](https://neocortexai.in/calculators): Privacy-first financial calculators running entirely in browser memory.
- [Mortgage Calculator](https://neocortexai.in/calculators/mortgage-calculator): Amortization schedules and downloadable PDF payment tables.
- [Freelance Rate Calculator](https://neocortexai.in/calculators/freelance-rate-calculator): Hourly rate, expense, and net take-home modeling.
- [Compound Interest Calculator](https://neocortexai.in/calculators/compound-interest): Multi-year growth curves with monthly deposits.
- [VAT/GST Calculator](https://neocortexai.in/calculators/vat-gst-calculator): Add or extract VAT/GST with net and gross breakdowns.
- [ROI Calculator](https://neocortexai.in/calculators/roi-calculator): Calculate return on investment with net profit and percentage results.
- [Tip Calculator](https://neocortexai.in/calculators/tip-calculator): Split bills and calculate tips with adjustable percentages.
- [Percentage Calculator](https://neocortexai.in/calculators/percentage-calculator): Find what percent, calculate increase/decrease, and fraction conversion.
- [Age Calculator](https://neocortexai.in/calculators/age-calculator): Exact age in years, months, days, hours, with birthday countdown.
- [Salary to Hourly Converter](https://neocortexai.in/calculators/salary-converter): Convert annual salary to hourly wage with full pay breakdown.
- [Unit Converter](https://neocortexai.in/calculators/unit-converter): Convert length, weight, temperature, volume, and data storage units.
- [BMI Calculator](https://neocortexai.in/calculators/bmi-calculator): Body Mass Index with metric/imperial support and WHO classification.
- [Date Calculator](https://neocortexai.in/calculators/date-calculator): Days between dates, add/subtract days, and business days calculation.

### 9. Text & Developer Tools (100% In-Browser)
- [Text Tools Hub](https://neocortexai.in/text-tools): Privacy-first text utilities running entirely in browser memory.
- [Word Counter](https://neocortexai.in/text-tools/word-counter): Count words, characters, sentences, paragraphs, and reading time.
- [Case Converter](https://neocortexai.in/text-tools/case-converter): Convert text between UPPERCASE, lowercase, Title Case, and more.
- [Slug Generator](https://neocortexai.in/text-tools/slug-generator): Generate clean, SEO-friendly URL slugs from any text.
- [Lorem Ipsum Generator](https://neocortexai.in/text-tools/lorem-ipsum): Generate placeholder text for designs and mockups.
- [Text Cleaner](https://neocortexai.in/text-tools/text-cleaner): Remove extra whitespace, line breaks, and clean up messy text.
- [Color Converter](https://neocortexai.in/text-tools/color-converter): Convert colors between HEX, RGB, HSL, and named CSS formats.
- [Password Generator](https://neocortexai.in/text-tools/password-generator): Generate cryptographically secure random passwords.
- [UUID Generator](https://neocortexai.in/text-tools/uuid-generator): Generate RFC 4122 compliant UUID v4 identifiers.
- [Hash Generator](https://neocortexai.in/text-tools/hash-generator): Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text.
- [URL Encoder](https://neocortexai.in/text-tools/url-encoder): Encode and decode URLs and query parameters.
- [JWT Decoder](https://neocortexai.in/text-tools/jwt-decoder): Decode JSON Web Tokens and inspect header, payload, and signature.
- [HTML Formatter](https://neocortexai.in/text-tools/html-formatter): Beautify and format messy HTML code with proper indentation.
- [CSS Formatter](https://neocortexai.in/text-tools/css-formatter): Format and beautify CSS code with property sorting.

### 10. Mobile Applications (iOS)
- [SwipeClean AI](https://neocortexai.in/swipeclean): Offline-first, gamified iOS photo declutter and storage cleaner app. Tinder-style swipe deck (swipe right to keep, swipe left to stage for trash) with on-device Apple Vision Framework for duplicate clustering, blur detection, screenshot triage, and Time Capsule monthly review. 100% on-device processing, zero cloud photo uploads, zero tracking, generous free tier.
- [SwipeClean Privacy Policy](https://neocortexai.in/swipeclean/privacy-policy): Detailed zero-knowledge, on-device privacy guarantee for the SwipeClean iOS application.

## Multilingual Pages (i18n)
All extension and PDF tool pages are available in 10 languages. Example localized URLs:
- English: https://neocortexai.in/pdf-tools/merge-pdf
- Español: https://neocortexai.in/es/pdf-tools/merge-pdf
- Deutsch: https://neocortexai.in/de/pdf-tools/merge-pdf
- 日本語: https://neocortexai.in/ja/pdf-tools/merge-pdf
- Português: https://neocortexai.in/pt/pdf-tools/merge-pdf
- Français: https://neocortexai.in/fr/pdf-tools/merge-pdf
- Italiano: https://neocortexai.in/it/pdf-tools/merge-pdf
- 한국어: https://neocortexai.in/ko/pdf-tools/merge-pdf
- 中文: https://neocortexai.in/zh/pdf-tools/merge-pdf
- Nederlands: https://neocortexai.in/nl/pdf-tools/merge-pdf

- 中文: https://neocortexai.in/zh/chatgpt-to-pdf
- Nederlands: https://neocortexai.in/nl/chatgpt-to-pdf

## Full Documentation & Link Index
For full technical documentation, user guides, and detailed API schemas, refer to [/llms-full.txt](https://neocortexai.in/llms-full.txt).