# FileStudio

> FileStudio is an independent, 100% client-side document and image utility suite crafted in India. Engineered for privacy-conscious professionals, legal advocates, chartered accountants, and engineers. All operations process exclusively inside the user's browser memory (volatile V8 RAM) with zero file bytes sent to any remote server or cloud. Fully compliant with India's DPDP Act 2023 and EU GDPR.

## Key Facts
- **Architecture**: 100% In-Browser Client-Side Processing (WebAssembly, JavaScript, HTML5 Canvas)
- **Data Egress**: Exactly 0.00 Bytes sent to cloud or external servers
- **Disk Retention**: 0.00 ms (Documents are never written to any server filesystem)
- **Third-Party Trackers**: Zero telemetry, zero analytics cookies, zero third-party advertising SDKs
- **Compliance**: India DPDP Act 2023 (Sections 4, 6, 8(5)), EU GDPR (Articles 25 & 32 Data Protection by Design)
- **Auditing**: Open DevTools network verification; works completely offline in air-gapped mode
- **Pricing**: 100% Free Forever; no account creation, no subscriptions, no file upload quotas
- **Origin**: Independent software crafted in India

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## Tools & Capabilities

- [Merge PDF](https://filestudios.appzyra.com/merge-pdf): Combine multiple PDF documents into a single file in exact specified sequence using client-side `pdf-lib`.
- [Split PDF](https://filestudios.appzyra.com/split-pdf): Extract individual pages or custom page ranges (e.g., 1-3, 5, 8-10) directly in local memory.
- [Compress PDF](https://filestudios.appzyra.com/compress-pdf): Reduce PDF file size via canvas downsampling and stream compression without remote uploads.
- [Organize PDF](https://filestudios.appzyra.com/organize-pdf): Reorder, delete, and rotate individual pages via drag-and-drop visual preview grid.
- [Rotate PDF](https://filestudios.appzyra.com/rotate-pdf): Rotate PDF pages permanently by 90 degrees, 180 degrees, or 270 degrees and re-serialize the document tree.
- [Watermark PDF](https://filestudios.appzyra.com/watermark-pdf): Stamp custom text or image watermarks with adjustable opacity, angle, and page range.
- [Page Numbers](https://filestudios.appzyra.com/page-numbers): Add Bates numbering, Roman numerals, or Page X of Y stamps across custom margins.
- [PDF to JPG](https://filestudios.appzyra.com/pdf-to-jpg): Render PDF pages to high-resolution JPG or PNG images at up to 300 DPI via `pdfjs-dist`.
- [Image to PDF](https://filestudios.appzyra.com/image-to-pdf): Convert JPG, PNG, and WebP images into a standardized printable PDF with custom orientation and margins.
- [Excel to PDF](https://filestudios.appzyra.com/excel-to-pdf): Parse `.xlsx` and `.xls` spreadsheets via SheetJS and generate clean printable table PDFs.
- [HTML to PDF](https://filestudios.appzyra.com/html-to-pdf): Live HTML and CSS code editor with instant client-side rendering and PDF export.
- [Protect PDF](https://filestudios.appzyra.com/protect-pdf): Encrypt PDF documents with user and owner passwords using AES-256 standard encryption.
- [Unlock PDF](https://filestudios.appzyra.com/unlock-pdf): Remove passwords and permission restrictions from known-password protected PDFs.
- [Image Compress](https://filestudios.appzyra.com/image-compress): Compress JPG, PNG, and WebP images with custom target KB thresholds and quality sliders.
- [Image Convert](https://filestudios.appzyra.com/image-convert): Batch convert image formats across PNG, JPG, WebP, and AVIF in local canvas memory.

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## Trust & Security Architecture

- [Security Architecture](https://filestudios.appzyra.com/security): Complete technical breakdown of the 4-stage volatile V8 RAM lifecycle, garbage collection, and zero-egress guarantees.
- [DPDP & GDPR Compliance](https://filestudios.appzyra.com/dpdp): Detailed legal analysis of India's DPDP Act 2023, Aadhaar card confidentiality, CA/Advocate legal privilege, and GDPR compliance by design.
- [Data Comparison Matrix](https://filestudios.appzyra.com/comparison): 8-dimension benchmark comparing FileStudio's client-side processing against traditional cloud converter risks.
- [Privacy Policy](https://filestudios.appzyra.com/privacy): Strict privacy terms confirming zero data collection, zero logs, and zero tracking.
- [Terms of Use](https://filestudios.appzyra.com/terms): Open, fair terms governing client-side execution.

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## Full Documentation
- [Full LLM Context (llms-full.txt)](https://filestudios.appzyra.com/llms-full.txt): Exhaustive documentation containing full technical engine specifications, compliance clause analysis, DevTools audit scripts, and data flow diagrams.