Built Here ยท Client-Side Only
Five privacy tools that never leave your browser. No server, no logs, no analytics.
crypto.getRandomValues entropy meter, 6โ128 length, lookalike-safe charset, plus Diceware passphrase mode with a 583-word built-in list.
MD5/SHA-1/256/384/512 of text or files. Drag-drop, hash-compare with auto-detect, full RFC 1321 test-vector parity.
UTF-8 + binary safe round-trip. URL-safe variant, padding toggle, file mode for encoding/decoding arbitrary blobs.
Header / payload / signature panes with JSON syntax highlighting. Verify HS256/384/512 with constant-time compare.
Shannon entropy, charset detection, distribution chart, and crack-time estimates across 8 attacker profiles.
Browse the full set of on-site privacy utilities. All five run entirely in your browser.
Reading ยท Privacy Field Notes
Long-form pieces on the threats most users underestimate, and the defenses worth running.
Canvas, WebGL, AudioContext, font enumeration, JA3. Why fingerprinting beats cookies, and how randomization vs uniformity actually trade off.
Five archetypes from default citizen to high-risk dissident. The "Tor Trap" anti-pattern explained with a worked freelance example.
Plaintext DNS leakage, DoH vs DoT, ECH for SNI, resolver comparison table, full Unbound config recipe.
Store-now-decrypt-later, Signal Double Ratchet + PCS, iMessage PQ3, post-quantum hybrid handshakes, and the cloud-backup leak.
When self-hosting helps vs hurts privacy. Patching, backups, bus factor, plus a concrete docker-compose + Caddy stack.
Browse all field notes including password managers, the truth about VPNs, and more.
Privacy Tools We Trust
External tools and services we recommend and personally use.
Interactive security tools including hash generators, password analyzers, JWT decoders, and a fully functional terminal emulator.
End-to-end encrypted email service based in Switzerland. No ads, no tracking, complete privacy for your communications.
State-of-the-art end-to-end encryption for messaging and calls. Open source and recommended by security experts worldwide.
Open source password manager. Store and sync your passwords securely across all devices with zero-knowledge encryption.
No-log VPN service that accepts anonymous payments. No email required, no personal data collected. True privacy.
Privacy-focused browser with built-in ad blocking, tracker protection, and Tor integration. Chromium-based compatibility.
End-to-end encrypted notes app. Your thoughts are private. 100+ years of company longevity built into the business model.
Crypto privacy tools and DeFi resources. Token trackers, wallet analyzers, and blockchain utilities with zero data collection.
Comprehensive resource for privacy tools and techniques. Community-driven recommendations updated regularly.
The 0data Network
A collection of independent sites united by a commitment to user privacy and genuine utility.
Our Privacy Promise
This site practices what it preaches. We collect nothing. No cookies, no analytics, no tracking pixels, no fingerprinting. Your visit here is your business alone.