OpenFile vs PaperWarrior

Open, preview, and explore over 100 file formats — right on your iPhone or iPad. No uploads, no account, no setup. Just tap a file and see it instantly. RICH FORMAT PREVIEWS Every format gets a purpose-built viewer: • 3D Models — Rotate and zoom glTF, OBJ, STL, PLY, and more in an interactive viewer • Code — Syntax highlighting for Swift, Python, JavaScript, TypeScript, Rust, Go, and 20+ languages • Databases — Browse SQLite tables, run SQL queries, and explore schema • Documents — Read PDFs, EPUB books, Word, Excel, and PowerPoint files • Archives — Explore ZIP, RAR, 7-Zip, TAR, and ISO contents without extracting • Audio & Video — Play MP3, WAV, FLAC, MP4, MOV, MKV, and more • Data Formats — View JSON, YAML, XML, CSV, Parquet, and Jupyter notebooks • Geospatial — Visualize GeoJSON, GPX, and KML on interactive maps • Fonts — Preview OpenType and TrueType font files • Images — View JPEG, PNG, GIF, HEIC, WebP, PSD, and SVG BUILT-IN DEVELOPER TOOLS Go beyond viewing with 10 built-in tools: • Hex Inspector — View raw file bytes • Compare Files — Side-by-side diff • Checksum — Calculate MD5, SHA-1, and SHA-256 hashes • Extract Text — Pull text from any document • Export as PDF — Convert any preview to PDF • Base64 — Encode and decode • Pretty Print — Format JSON, XML, HTML, and CSS • Text Statistics — Word count, line count, reading time • File Identification — Detect the true file type from magic bytes PRIVACY FIRST All processing happens on your device. Files are never uploaded. No account is needed. No tracking. WORKS WITH YOUR WORKFLOW • Open files directly from the Files app or Share Sheet • Browse iCloud Drive • Track recently opened files and pin your favorites • Search your file history Works on iPhone and iPad. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

When paperwork piles up, PaperWarrior uses AI-assisted drafting to turn confusion into a clear case packet you can review, edit, copy, share, and export. Build a professional complaint letter and organized case file for a refund request, billing dispute, landlord issue, warranty claim, insurance appeal, workplace concern, school appeal, or other everyday problem without starting from a blank page. PaperWarrior guides you through the facts that matter: what happened, who you are contacting, the result you want, important dates, supporting evidence, tone, and deadline. With your permission, AI-assisted generation creates a complete case packet: • Full professional letter • Short email or text version • Clear subject line • Timeline summary • Evidence checklist • Follow-up message • Escalation message • Facts and risks to double-check YOUR PAPER TRAIL, ORGANIZED Keep every case organized by status, add supporting photos or files, record the outcome, and return to the exact letter, timeline, or follow-up you need. Attachment contents remain on your device and are not sent for AI generation. CALM WORDS. CLEAR ASK. NEXT STEP. Choose the tone that fits the situation. PaperWarrior helps keep your message factual, specific, and respectful while flagging details to verify before you send it. PRIVACY BY DESIGN Cases and attachments are stored locally on your iPhone. Attachment contents are not sent for AI generation. Before any case text is shared with OpenAI through PaperWarrior’s private backend, the app explains exactly what is sent and asks for your permission. PaperWarrior provides drafting assistance only. It is not a lawyer and does not provide legal, medical, financial, insurance, tax, employment, or other professional advice. Always review and verify generated content before sending. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/