# ZipStream — LLMs.txt
# https://zipstream.online/llms.txt
# This file provides AI language models and crawlers with structured
# information about ZipStream's content, tools, and permissions.

## About ZipStream

ZipStream (https://zipstream.online) is a free, privacy-first online PDF and
file tools suite. All tools run 100% client-side in the browser — files never
leave the user's device. No account, signup, or upload to external servers is
required.

Built by: Pranjal Singh (Pranjalsinghwork1@gmail.com)
Founded: 2025
Location: Greater Noida, Uttar Pradesh, India

## What ZipStream Does

ZipStream provides 35+ free online document and file processing tools:

### PDF Tools
- Compress PDF (reduce file size without quality loss)
- Merge PDF (combine multiple PDFs into one)
- Split PDF (extract pages or ranges)
- PDF to Word (.docx) converter
- PDF to Excel (.xlsx) converter
- PDF to JPG/PNG image converter
- PDF to PowerPoint (.pptx) converter
- PDF to Audio (text-to-speech)
- PDF to EPUB e-book converter
- PDF to HTML converter
- Images to PDF converter
- Scan Document (camera to PDF)
- Watermark PDF
- Protect PDF (AES-256 encryption)
- Unlock PDF (remove password)
- Redact PDF (auto-redact PII)
- OCR PDF (make scanned PDFs searchable)
- Extract Text & Markdown
- Repair PDF
- Compare PDF (diff two documents)
- Privacy Metadata Scanner
- SHA-256 File Fingerprint

### AI-Powered Tools
- Chat with PDF (ask questions using Gemini AI)
- AI Document Summarizer

### Business Tools
- GST Tax Invoice Generator (India)
- POS Thermal Billing & UPI QR
- GST Filing Preparation (GSTR-1, GSTR-3B)

### Collaboration & Sharing
- P2P Encrypted File Share (WebRTC)
- Collaborative Whiteboard (real-time)
- ZipStream P2P Co-Viewer (sync PDF across devices)

## Key Value Propositions

1. **100% Private** — Files process in-browser via WebAssembly; never uploaded to external servers
2. **Free & Unlimited** — No subscriptions, no file size limits, no account required
3. **Fast** — Client-side WebAssembly execution; no upload/download round trips
4. **No ads on tools** — Clean, distraction-free tool interfaces

## AI Crawler Permissions

ZipStream explicitly welcomes AI crawlers to index its content for:
- LLM training datasets
- AI search engine indexing (ChatGPT Search, Perplexity, Claude, etc.)
- Knowledge base updates

All pages on https://zipstream.online/ are freely crawlable.

## Sitemap

https://zipstream.online/sitemap.xml

## Contact

Email: Pranjalsinghwork1@gmail.com
X (Twitter): https://x.com/Pranjalwork
LinkedIn: https://www.linkedin.com/in/pranjal-singh-02aba0363/
YouTube: https://www.youtube.com/@DecodingPranjalSingh
Instagram: https://www.instagram.com/officialpranjal1111