We build tools that Respect your Privacy
BetterPass is a collection of free developer tools that process sensitive data entirely in your browser. Built by a security-focused team that believes privacy and utility should never be at odds.
Built for the people who need it most
Different roles, different needs — but all require tools that are fast, private, and don't demand an account to use.
Security Engineers
Validate password strength, verify hash integrity, test entropy calculations, and audit cryptographic implementations — all without exposing sensitive data to external services.
DevOps & Platform Teams
Generate secure credentials, decode JWTs and OIDC tokens during incident response, verify checksums for artifact integrity, and test password policies across deployments.
Solo Developers & Indie Hackers
Quickly generate strong passwords, hash secrets for environment configs, encode/decode data for APIs, and test token payloads without installing CLI tools or creating accounts.
Students & Educators
Learn cryptography hands-on by observing how SHA-256, bcrypt, and HMAC work in real time. Understand entropy, key derivation, and encoding without setting up a local dev environment.
Tools organized by what they do
From generating strong passwords to decoding production tokens — everything runs in your browser.
Password Tools
Generate strong passwords, create passphrases, check strength, calculate entropy, validate policies, and check for breac...
Hashing Tools
Generate cryptographic hashes — SHA-224, SHA-256, SHA-512, SHA-512/256, SHA3-224, SHA3-256, SHA3-384, SHA3-512, MD5, HMA...
Encoding Tools
Convert text across multiple encoding formats including Base64, Hex, URL, Ascii85, Base32, and Base58. Private, secure, ...
Token Tools
Inspect and manage security tokens including JWT, PASETO, Opaque Tokens, SAML assertions, and OIDC ID tokens. Private, c...
Serialization Tools
Format, validate, and minify JSON, or convert to/from MessagePack, CBOR, BSON, and Protobuf. Efficient binary serializat...
Privacy isn't a policy — it's an architecture
Most tools claim to be private. We built ours so that your tool data never has a server to go to.
No Server Endpoint
We deliberately chose not to build a backend. There is no API, no database, and no server-side process that receives, stores, or processes your tool data.
No Authentication System
No accounts, no sessions, no cookies for user state. Without an auth system, there is no user data to collect, store, or breach.
No Server-Side Processing
All cryptographic operations, encoding, and data transformations use the browser's built-in Web Crypto API. Your tool input never travels to a backend server for processing.
No Persistent Storage of Tool Data
Tool results exist only in the browser's memory and the visible DOM. When you close the tab, your generated data is gone permanently.
Specific documents, not vague claims
We reference the exact specifications our implementations are based on, so you can verify our approach against the original source material.
Digital Identity Guidelines: Authentication and Lifecycle Management
Password strength requirements, memorized secret guidelines, and entropy calculations
Application Security Verification Standard
Authentication verification, credential storage, and cryptographic practices
W3C Recommendation for Browser Cryptography
All cryptographic operations: hashing, key derivation, encryption, and random generation
The scrypt Password-Based Key Derivation Function
Memory-hard password hashing implementation and parameter selection
Secure Hash Standard (SHS)
SHA-256 and SHA-512 hash function implementations
How we protect your input at every step
Beyond the privacy architecture, here are the specific security measures embedded in every tool's implementation.
Cryptographically Secure Randomness
All random generation uses crypto.getRandomValues() backed by the OS-level CSPRNG — not Math.random(). This ensures unpredictable, non-biased output for passwords and tokens.
Strict Input Validation
Every tool validates and sanitizes user input before processing. Malformed inputs are rejected with clear error messages rather than processed unpredictably.
Zero External Network Calls
Most tools make no network requests to process your data after page load. Breach checker sends a minimal SHA-1 prefix query to a public API — no passwords or plaintext leave your device.
No Code Obfuscation
All tool logic is readable JavaScript. We don't minify to hide behavior or use source maps that obscure implementation details. What you see is what runs.
From specification to production
Every tool follows a structured lifecycle. Here's what happens before, during, and after a tool ships.
Primary Source Research
We begin with the original specification documents — NIST publications, OWASP cheat sheets, W3C recommendations, and RFCs — not blog posts or secondary summaries.
Reference Implementation
We build against the Web Crypto API and native browser primitives first, then verify correctness against known test vectors from the specification.
Cross-Browser Validation
Every tool is tested in Chrome, Firefox, Safari, and Edge. We verify consistent behavior across engines and document any browser-specific limitations.
Release & Ongoing Review
Tools ship with visible last-modified dates. When specifications update or new vulnerabilities surface, we review and update our implementations promptly.
Verifiable accountability
Transparency means more than a privacy policy. Here are the concrete mechanisms that let you hold us accountable.
Timestamped Tool Pages
Every tool page displays its last-modified date. You can verify when an implementation was last reviewed or updated.
Inspectable Client Code
All logic is transparent JavaScript. Open DevTools, read the source, and verify exactly what happens with your input — no obfuscation, no hidden behavior.
Referenced Standards
We cite the specific NIST, OWASP, W3C, and RFC documents our implementations follow, so you can cross-reference our approach against the original source.
Direct Disclosure Channels
We provide direct contact channels for security concerns and general inquiries. We're reachable, we respond, and we document how we address reported issues.
Decision-making frameworks, not marketing
When two options conflict, these principles determine which one wins. They're constraints we hold ourselves to — not aspirations.
Privacy Is Structural
We don't offer privacy as a feature or setting — your tool data never has a server to go to. The strongest privacy policy is one where your tool data physically cannot be collected by a backend.
Verify, Don't Trust
We design every tool so users can independently verify our claims. Open DevTools, check the Network tab, read the source code. Trust should come from evidence, not assertions.
Standards Before Innovation
We implement proven, peer-reviewed algorithms rather than inventing new ones. Cryptographic innovation happens in research papers — production tools should use what's been validated.
Accessibility Is Security
Security tools locked behind paywalls, accounts, or technical expertise create gaps that attackers exploit. Free, instant access to security utilities benefits everyone.
The BetterPass Organization
How we operate and what we stand for
BetterPass is a security-focused organization dedicated to building free, privacy-first developer tools. We operate on a simple principle: the tools people use to improve their security should never undermine it.
Founded in 2026, BetterPass serves developers and security professionals worldwide. We operate independently without investor pressure, and we never sell or share your tool data.
Our organization is structured around a single team: the BetterPass Security Team. There are no departments, no growth mandates, and no metrics that conflict with our users' interests. The only obligation we maintain is to the people who use our tools.
How This Site Is Funded
Transparency about our business model
BetterPass is and always will be free to use. All tools run entirely client-side, and your tool data never leaves your browser — regardless of how the site is funded.
To cover hosting, development, and infrastructure costs, this site uses advertising via Google AdSense and may include affiliate links to relevant products and services. These are clearly marked where they appear.
How this affects your privacy: Ad networks may place cookies and collect anonymized browsing data (page views, browser type, general location) to serve relevant ads. This data is collected and handled by the ad network, not by BetterPass. It is completely separate from tool data — we never share your passwords, hashes, tokens, or any other tool input or output with advertisers or anyone else.
Your choice: You are free to use ad blockers or browser privacy extensions. They will not affect tool functionality in any way. If you click an affiliate link, we may earn a small commission at no extra cost to you.
We chose this model deliberately: advertising lets us keep every tool free, open, and accessible to everyone — no paywalls, no accounts, no subscription tiers.
The BetterPass Security Team
Specialists in browser-based cryptography and password security
The BetterPass Security Team is a group of developers and security researchers specializing in browser-based cryptography, password security, and authentication technologies. Our focus is proving that you don't need a server to deliver enterprise-grade security utilities.
We research password strength modeling, cryptographic randomness quality, browser API compatibility, and security standards compliance. Our work is informed by NIST SP 800-63B, OWASP guidelines, and W3C specifications — and we publish the specific documents we reference.
We operate as an organization rather than under individual names because we believe a security tool's credibility comes from its implementation, referenced standards, and transparent processes — not from personal biographies.
Areas of Expertise
Frequently Asked Questions
See the architecture in action
Try any tool, open your browser's DevTools Network tab, and verify it yourself. Zero tool-data requests. Zero data leakage on your input. Pure client-side cryptography.