Developer Tools Directory
All tools execute strictly client-side in browser memory with zero network latency and zero server data transmission.
JSON to TypeScript Interfaces
Instantly infer TypeScript interfaces from a JSON payload.
JSON to Zod Schema
Infer Zod validation schemas directly from JSON payloads.
JSON to Go Struct
Convert JSON payloads into Go struct definitions with json tags.
YAML to JSON / JSON to YAML Converter
Bidirectional YAML and JSON conversion with syntax validation.
cURL to JavaScript Fetch
Translate bash cURL commands into JavaScript fetch() API calls.
cURL to Python Requests
Translate bash cURL commands into Python `requests` code.
cURL to Go HTTP Request
Translate bash cURL commands into Go `net/http` client code.
SVG to JSX Converter
Convert raw SVG markup into a React JSX component.
JSON Formatter & Validator
Format, validate, and minify JSON with interactive syntax highlighting.
JSON Schema Validator
Validate JSON data against draft-07 schemas with real-time error reporting.
XML Formatter
Pretty print and format XML documents.
SQL Formatter
Format SQL queries (PostgreSQL, MySQL, SQLite, standard SQL) with proper indentation.
GraphQL Formatter
Format GraphQL queries, mutations, and schema definitions.
CSS / SVG Minifier
Minify and compress CSS stylesheets and SVG graphics.
JWT Decoder & Inspector
Decode JSON Web Tokens locally. Inspect header and claims, and verify HS256 signatures with your secret.
Base64 / Hex / Binary Multi-Inspector & Image Previewer
Auto-detects Base64, URL-safe Base64, Hex, Binary, URL-encoded, and Data URL input and converts it to every format, plus a Canonical Hex Dump.
Hash Generator (MD5, SHA256, SHA512)
Computes MD5, SHA-1, SHA-256, and SHA-512 in parallel client-side in your browser.
HMAC Generator
Compute Hash-based Message Authentication Codes (HMAC) using SHA256, SHA512, etc.
Bcrypt / Argon2 / PBKDF2 Password Hash Verifier & Generator
Generate Bcrypt, Argon2id, PBKDF2, and SCrypt hashes (with Bcrypt cost and PBKDF2 iteration controls) and verify passwords against Bcrypt hashes.
X.509 Certificate & CSR Decoder
Decode X.509 PEM certificates and PKCS#10 CSRs in your browser. Inspect Subject and Issuer CN, validity dates, public key info, and fingerprints.
SSH Keypair Generator & Randomart Visualizer
Generate cryptographically secure Ed25519, RSA (2048/4096), and ECDSA P-256 SSH key pairs directly in your browser with OpenSSH Randomart.
Epoch / Timestamp Converter
Convert Unix epoch timestamps to human-readable dates (Local and UTC).
Regex Tester & Matcher
Real-time RegExp testing with flags (g, i, m, s, u, y), match lists, and substitution preview.
Diff Checker & Text Compare
Monaco side-by-side or inline code diffing with character-level additions and deletions.
Cron Expression Visualizer
Translates complex cron schedules into plain English with a 5-column breakdown grid.
CIDR Calculator & Subnet Inspector
Calculate IPv4 subnet masks, broadcast addresses, and usable ranges.