# SafePaper > Free private tools for PDFs, media, spreadsheets, dev utilities, finance, image AI, audio, DICOM/health, document scanning, diagrams-as-code, handwriting, photo editing, resumes, email files, WhatsApp chats, KeePass password vaults, archives, crypto, local AI chat & data rooms in your browser. Zero uploads. SafePaper is a private file suite in your browser: Document Desk (create PDFs from scratch, Markdown/HTML to PDF, merge, annotate, compare, create forms, batch process, redact, OCR, compress PDFs), Media Studio (transcode, crop, collage), Data Zone (DuckDB SQL, PII scrub, log viewer, dedupe, charts), Developer Toolbox (60+ utilities: format JSON/YAML/XML/SQL, JSON⇄YAML⇄TOML, cURL to code, JSON to TypeScript/Go/Zod, timestamp/case/base/color converters, password/ULID/QR/gitignore/Dockerfile generators, HTTP status & regex references, hex/Base32/Unicode encoders, CSP/HSTS/CORS & SRI header builders, HAR viewer with token scrubber, SQLite browser, source-map & protobuf & PCAP decoders, .env diff, secret scanner, htpasswd — Prettier & Monaco lazy-loaded), Finance Desk (multi-country, data-driven: loan/mortgage & compound-interest & retirement/FIRE calculators, APR/APY, debt payoff, bank-statement import for CSV/Excel/OFX/QIF/CAMT.053/MT940, categorization & spending dashboard, budgets & cash-flow & net-worth, portfolio rebalancing & CAGR/XIRR, income-tax & capital-gains & VAT/GST/sales-tax estimators, invoice PDF generator, and encrypted ledger export — integer money math stays on-device), Vision Studio (on-device image AI: background removal to transparent PNG, 2x super-resolution upscaling, object detection with auto-blur for people/plates, image captioning & alt-text, zero-shot CLIP tagging, monocular depth maps, low-light enhance, and batch pipelines — model weights download once, then your photos never leave the device), Audio Lab (trim & fade, speed/pitch, LUFS normalize, noise & hum reduction, silence trimming, center-channel vocal removal, format conversion for MP3/WAV/FLAC/OGG/M4A, spectrogram & loudness analysis, and on-device Whisper transcription with SRT/VTT export — FFmpeg WASM and Web Audio run locally), Health Desk (open & window/level DICOM scans, anonymize DICOM per PS3.15 and re-export, DICOM-to-PNG/JPEG frame export, tag inspector, HL7 v2 message parser, FHIR JSON viewer/validator, and a local lab-result tracker with reference-range flags & trend charts — scans and records never leave the browser), Security Vault (JWT verify, Argon2/bcrypt, X.509 decode, TOTP QR, AES encrypt, PEM/DER/JWK keys), Scan Desk (camera document scanner: auto-crop, perspective de-warp, deskew, filters, and searchable OCR PDF export), Diagram Desk (diagram-as-code: Mermaid & Graphviz rendered live in-browser with SVG/PNG/PDF export), Handwriting Desk (turn text, PDFs, or notes into realistic handwriting, capture your own hand, make signatures, and export a self-writing video), Photo Desk (pro photo editor with exposure/color/effects adjustments, filters, one-click auto-enhance, crop & rotate, plus HEIC & camera-RAW conversion to JPG/PNG/WebP), Resume Desk (build ATS-friendly resumes/CVs with live templates, matching cover letters, an on-device ATS keyword check, and selectable-text PDF export), Email Desk (open .eml/.emlx/.msg/.mbox emails with remote images & trackers blocked, convert them to clean PDFs, extract attachments and winmail.dat/TNEF, and analyze headers for SPF/DKIM/DMARC and delivery hops), Chat Desk (open an exported WhatsApp chat as a readable conversation with media in place, search and filter it, export it as a PDF, and package it with SHA-256 hashes, Bates numbering and a draft certificate), Password Desk (open, edit and create KeePass .kdbx vaults with WASM Argon2, generate strong passwords and diceware passphrases, audit a vault for weak/reused/old passwords, and import/export CSV & JSON from Chrome/Bitwarden/1Password/LastPass), SafePaper Assistant (on-device ChatGPT-style chat with WebGPU LLMs from phone-sized tiers to 13B-class desktops — general, code, math & reasoning models), AI Desk (on-device RAG over PDFs), Record Desk (screen capture with Whisper), Share Desk (WebRTC peer transfer), Archive Desk (selective ZIP/TAR extract and secure archiver), and Data Room (offline passphrase-locked HTML VDR). Desk tools process files locally; Share Desk relays signaling only. SafePaper is 24 workspaces and 254+ tools. Every desk tool processes files in the browser with WebAssembly and Web Workers. There is no upload endpoint for file bytes. ## What stays on your device - PDF, media, spreadsheet, email, KeePass, scan, photo, and archive files never leave the tab for processing. - Share Desk sends file bytes peer-to-peer (WebRTC). SafePaper only relays signaling. - Optional analytics (if you allow it) never include file names or document text. ## Workspaces - [SafePaper Assistant](https://www.safepaper.app/assistant): Chat with on-device LLMs from compact phones to 13B-class desktops. WebGPU models run in your tab — no API keys, no uploads to SafePaper. - [Document Desk](https://www.safepaper.app/docs): A full set of PDF tools that run in your browser: merge, split, compress, OCR, redact, sign and convert PDFs. Your files are never uploaded. - [Media Studio](https://www.safepaper.app/media): Convert, compress, resize, crop and clean image and video files locally in your browser with FFmpeg. Your media never leaves your device. - [Data Zone](https://www.safepaper.app/data): Profile, clean, convert, query and de-identify CSV, Excel and JSON in your browser with DuckDB. No rows are uploaded to a server. - [Developer Toolbox](https://www.safepaper.app/dev): 60+ developer utilities that run locally: format and convert JSON/YAML, decode JWTs, test regex, generate UUIDs, encode data and more. No upload. - [Finance Desk](https://www.safepaper.app/finance): Loan, mortgage, compound-interest and tax calculators plus bank-statement import and budgeting — the math runs on your device. Not financial advice. - [Vision Studio](https://www.safepaper.app/vision): Remove backgrounds, upscale, blur faces, caption and depth-map images with AI that runs in your browser. Model weights download once; photos stay local. - [Audio Lab](https://www.safepaper.app/audio): Trim, normalize, convert and transcribe audio in your browser with FFmpeg and Whisper. Your audio files are never uploaded. - [Health Desk](https://www.safepaper.app/health): View and anonymize DICOM scans, parse HL7 v2 and FHIR, and track lab results entirely in your browser. Scans and records never leave your device. - [Scan Desk](https://www.safepaper.app/scan): Scan documents with your camera, auto-crop and de-warp the page, clean it up, and export a searchable PDF — everything runs on your device, nothing is uploaded. - [Diagram Desk](https://www.safepaper.app/diagram): Write flowcharts, sequence, class, ER, state, Gantt, and mind maps in Mermaid, or render Graphviz DOT graphs — live preview and SVG/PNG/PDF export, all in your browser. - [Handwriting Desk](https://www.safepaper.app/handwriting): Turn typed text, PDFs, or notes into realistic handwritten pages, capture your own hand, and even export a self-writing video — everything runs on your device. - [Photo Desk](https://www.safepaper.app/photo): Edit photos with pro adjustments, crop and filters, auto-enhance in one click, and convert iPhone HEIC or camera RAW files to JPG/PNG/WebP — all in your browser, nothing uploaded. - [Resume Desk](https://www.safepaper.app/resume): Build an ATS-friendly resume with live preview and PDF export, tailor it to any job with a keyword checker, and write a matching cover letter — everything is saved only in your browser. - [Email Desk](https://www.safepaper.app/email): Open .eml, .emlx, Outlook .msg and .mbox emails, convert them to clean PDFs, extract attachments and winmail.dat, and analyze headers for SPF/DKIM/DMARC — all in your browser, nothing uploaded. - [Password Desk](https://www.safepaper.app/passwords): Open, edit, and create KeePass (.kdbx) vaults, generate strong passwords and passphrases, audit a vault for weak and reused passwords, and import/export CSV & JSON — all in your browser, nothing uploaded. - [Chat Desk](https://www.safepaper.app/chat): Open an exported WhatsApp chat, read it back with media in place, search and filter it, export it as a PDF, and package it with SHA-256 hashes and a draft certificate — all in your browser, nothing uploaded. - [Security Vault](https://www.safepaper.app/security): Decode JWTs and X.509 certificates, hash and encrypt files, and generate keys and TOTP codes locally. Analytics is disabled on these routes. - [Archive Desk](https://www.safepaper.app/archive): Browse ZIP and TAR contents, extract single files, or build AES-encrypted archives in your browser. Archives are parsed locally, never uploaded. - [AI Desk](https://www.safepaper.app/ai): Local RAG over PDFs with on-device embeddings - [Data Room](https://www.safepaper.app/dataroom): Export an offline, passphrase-locked HTML data room — PDF, video, images & spreadsheets - [Record Desk](https://www.safepaper.app/record): Screen + webcam capture with Whisper captions - [Share Desk](https://www.safepaper.app/share): WebRTC peer transfer — signaling only, no CDN - [Storage Desk](https://www.safepaper.app/storage): Encrypted on-device library with auto-categorization — browser or bring-your-own S3/R2 - [Workspace Desk](https://www.safepaper.app/workspace): Notion-like docs, nested pages & database blocks — encrypted on-device, nothing uploaded - [Security Vault](https://www.safepaper.app/vault): JWT decode, file encrypt, hash verify, keys & TOTP — no telemetry ## For AI agents - Site map: https://www.safepaper.app/llms.txt - Add `.md` to any known page URL (for example `/about.md`, `/docs.md`, `/docs/merge.md`) for a chrome-free Markdown version. --- Canonical HTML: https://www.safepaper.app Markdown: https://www.safepaper.app/index.md There is no upload endpoint — your files are processed in this browser tab. Open your network tab and check.