JWT decoding, hash generators, regex testing, cURL & API builders. (37 utilities available).
Decode and inspect JSON Web Tokens without sending keys to any server.
Encode and decode standard and URL-safe Base64 strings with UTF-8 support.
Encode and decode URI strings and URL component query parameters.
Deconstruct URLs into protocol, origin, host, port, path, and query params.
Parse and serialize URL query parameters into JSON and key-value pairs.
Generate cryptographically secure v4, v7, and v1 UUIDs in bulk.
Generate Universally Unique Lexicographically Sortable Identifiers.
Generate compact, URL-friendly unique IDs with custom alphabets.
Compute SHA-1, SHA-256, SHA-384, SHA-512, and MD5 cryptographic hashes.
Test regular expressions with real-time match highlighting and capture groups.
Build, parse, and explain cron expressions in plain English.
Construct cURL commands and export them to Fetch, Python, and Node.js.
Compose and dispatch HTTP requests directly from your browser runtime.
Escape and unescape HTML special entities, tags, and Unicode characters.
Compare text, code, or configuration files with highlighted diff views.
Format JavaScript, TypeScript, CSS, HTML, and Markdown cleanly.
Format, sort, validate, and redact `.env` environment files.
Generate custom QR codes for Wi-Fi, vCards, URLs, and emails with custom colors and vector SVG / PNG export.
Inspect DNS records (A, AAAA, CNAME, MX, TXT, NS, SOA, CAA) with Cloudflare & Google DoH in-browser.
Calculate network range, broadcast, usable host IPs, Cisco wildcard, and 32-bit binary breakdown.
Searchable 1xx-5xx HTTP status code reference with RFC citations, caching rules, and framework snippets.
Format, minify, and analyze GraphQL queries with mock JSON synthesizer and TypeScript type generator.
Generate secure cryptographic RSA (2048-4096b) and ECDSA (P-256/384/521) key pairs with PEM, JWK, and live sandbox testing.
Generate secure OpenSSL commands for CSRs, self-signed SAN certs, cert inspections, and PFX conversions.
Transform raw HTML and SVG markup into valid React JSX with automatic attribute camelCasing.
Escape and unescape string literals with backslashes, quotes, and Unicode for JSON, JS, Python, and SQL.
Interactive real-time sandbox editor with live iframe preview and console logger.
Decode X.509 PEM certificates, inspect issuer details, track expiration countdown, and audit SANs.
Bidirectional conversion between plain text, hexadecimal, binary, and decimal byte arrays.
Inspect HTTP Archive (HAR) network logs with interactive waterfall charts, status codes, and request timings.
Human-readable translations, 24-hour visual heat timeline, and next upcoming execution schedules for cron expressions.
Interactive SVG railroad diagram generator and structural token inspector for regular expressions.
Parse raw cURL commands and export to Fetch, Axios, TypeScript, Python, Go, Rust, and PHP.
Compile SQL CREATE TABLE DDL into TypeScript interfaces, Zod schemas, Prisma models, and Go structs.
Test WebSocket (ws/wss) and Server-Sent Events (SSE) connections with live frame inspector and ping latency tracker.
Interactive POSIX permission matrix. Calculate Octal (755, 644), Symbolic (rwxr-xr-x), SUID, SGID, and CLI commands.
Convert docker run CLI commands into clean, standard docker-compose.yml service configurations.