password and key generators Tools

Share code snippets, logs, and text with a shareable link. Syntax highlighting for 30+ languages, expiration controls, and password protection for Pro users.

Create short, trackable URLs with detailed click analytics. Track visitor location, devices, referrers, and more. Password protection & QR codes included.

Estimate token count for GPT-5, Claude 3, Gemini, and Llama models. Paste any text to see token usage and estimated API cost instantly.

API key generator that creates cryptographically secure keys in your browser with crypto.getRandomValues. Set a prefix, length, and character set, generate up to 100 at once, see entropy in bits.

Test and validate API keys for OpenAI, Anthropic, Google AI, and other services. Secure validation without storing keys on our servers.

Encode or decode URL-safe Base64 strings used in JWTs, OAuth tokens, and signed URLs - runs in your browser, no data sent.

Basic auth header generator builds the Authorization: Basic header from a username and password, with curl and fetch snippets, and decodes existing headers back to credentials.

Parse and build database connection strings for PostgreSQL, MySQL, MongoDB, and Redis instantly in your browser. Extract host, port, credentials, and query params. Free, no signup.

Generate CORS headers and middleware code for Express.js, FastAPI, Nginx, and Django. Configure allowed origins, methods, headers, and credentials instantly in your browser.

Convert .env files to Kubernetes Secret YAML manifests with base64-encoded values. Paste your environment variables and get a ready-to-apply Secret spec instantly. Free.

Generate Apache and Nginx .htpasswd entries for HTTP basic auth online. Batch generate SHA-1 hashed passwords instantly. All hashing runs in-browser - passwords never leave your device.

Decode JSON Web Tokens (JWT) to view header, payload, and signature. Check token expiration and validate JWT format. Free, secure, and privacy-first.

Generate signed JWT tokens from JSON payloads using HS256, HS384, HS512, or alg none with instant token preview and copy support.

Verify JWT signatures online using a secret or public key for HS256, HS384, HS512, and RS256 tokens. Instantly confirm validity and expiry. Free, client-side tool.

Kubernetes secret decoder reveals every Base64 value in a Secret manifest at once, exports to .env or stringData, and encodes plain values back into a ready-to-apply Secret.

LLM token cost calculator estimates API spend per call, day, month and year across OpenAI and Claude models, with prompt caching and batch discounts. Free, no signup.

Generate strong, memorable passphrases using random words. Easier to remember than random passwords while being equally secure. Entropy estimation included.

Generate strong, secure passwords with customizable length and character sets. Cryptographically secure random generation for maximum security.

Check if a password appears in known breach data using a privacy-preserving hash prefix lookup. Your plaintext password is never sent to the server.

Analyze password strength and security in real-time. Get detailed feedback on complexity, entropy, estimated crack time, and suggestions for improvement.

Add password protection to PDF files online. Secure your documents with user and owner passwords and download the protected PDF instantly.

Remove password protection from PDF files online. Enter the existing password and download an unlocked PDF copy instantly in your browser.

PII redactor strips emails, IPs, card numbers, API keys, and tokens out of logs and text before you share them. Free, runs locally, nothing is uploaded.

Explain any regex pattern in plain English instantly. Breaks down groups, quantifiers, character classes, and anchors token by token. Free, client-side, no signup.

Encrypt and decrypt text using AES-256 encryption. Secure your sensitive data with password-based encryption in your browser.

Generate live TOTP 2FA codes from a base32 secret key. Compatible with Google Authenticator and Authy. Supports 6/8 digits and 30/60s periods. Runs entirely in your browser.

Look up TXT DNS records for SPF, domain verification, and email authentication tokens with instant results and clean JSON output.

Look up real-time weather conditions for any city worldwide. Get current temperature, humidity, wind speed, UV index, and sky conditions using the free Open-Meteo API. No API key required.

Verify webhook signatures from Stripe, GitHub, Shopify, or any HMAC provider by recomputing the hash from your payload and secret, fully in your browser.

Check how eco-friendly any website is. Measure CO₂ emissions per page view, page weight, green hosting status, and carbon rating (A+ to F) using the Website Carbon API.