Small utilities for developers, designers, and makers.
Check CSP/HSTS/XFO and get Django + Nginx fix snippets with a security score.
Base64 encoder/decoder, hash generator (SHA/MD5), and HMAC signer.
URL, Wi-Fi & vCard QR codes. Colorized + logo.
Generate otpauth TOTP QR codes for dev/testing (issuer, account, secret, period). Stateless & shareable.
Paste code to detect common vulnerabilities with OWASP mapping, severity, and remediation tips.
Mini Postman: send HTTP requests, add headers/body, inspect responses, and copy cURL.
Convert text/bytes between Base64, Hex and Binary with URL-safe and padding options.
Generate Home/About/Contact templates + editable navbar + dynamic cards/tiers. Download ZIP.
HEX ↔ RGB ↔ HSL ↔ HSV color conversions.
Generate Cookie Policy (basic/complete) with optional cookie list and consent tool. Stateless & shareable.
Build and explain standard 5-field cron expressions (unix-cron).
xplain CSP directives and CORS behavior, highlight risky patterns, and generate safer starter snippets.
Convert and validate data formats with line numbers, copy, and token-based downloads.
Generate Docker, Nginx, CI, and .env snippets instantly. Shareable via URL. No uploads, no server storage.
Compare Text/Code or JSON with side-by-side + unified diff, and download a .patch file.
Visualize docker-compose.yml dependencies, ports, networks/volumes, and security warnings.
Lint Dockerfiles for security and best practices, with fixes pack + report download.
Validate and generate .env files, create .env.example, export JSON, and catch common mistakes.
Convert images between PNG, JPG, WEBP, GIF, BMP, TIFF, and ICO.
Resize and optimize images (WEBP/JPG/PNG) with presets and quick downloads.
Validate JSON and format it (pretty print or minify) with error line/column.
Generate and validate SEO structured data (Article, FAQ, HowTo, Product, Organization, Breadcrumb). Stateless & shareable.
Decode JWT tokens and generate new JWTs (HS256 / RS256). Inspect claims, expiration, and optionally verify signatures.
Convert Markdown to clean HTML and PDF with preview, copy, and safe mode.
Preview Google snippet + OpenGraph + Twitter cards. Generate fixed meta tags. Stateless & shareable.
Visualize nginx configuration structure (servers, locations, upstreams) as an interactive graph.
Visualize OAuth 2.0 and OpenID Connect flows (Authorization Code, PKCE, Client Credentials) with interactive sequence diagrams and common misconfiguration alerts.
Validate and inspect OpenAPI/Swagger specs (JSON/YAML). See endpoints, security warnings, and export normalized JSON.
Validate, format, mask secrets, and convert JSON/form payloads to cURL, Python, or JS.
Generate a complete privacy policy (Basic/Complete) with GDPR/CCPA options, subprocessors, retention, and security measures.
Simulate traffic spikes and see when 429 throttling occurs. Generate Django & Nginx configs.
Test & explain regex patterns, highlight matches, and inspect capture groups.
Generate SEO-safe robots.txt + sitemap templates (and Django integration) with curated presets. Stateless & shareable
Detect API keys, tokens, and private keys in pasted text/config files with masked previews and redacted output.
Beautify SQL, validate common mistakes, and copy clean formatted output instantly.
Generate Terms & Conditions for tools, blogs, and ecommerce-lite sites. Basic/Complete. Stateless & shareable.