JSON Formatter & Validator
Beautify, minify and validate JSON with precise syntax errors.
RUNS LOCALLYPOPULAR
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Explore the toolbox 37
JSON ↔ YAML Converter
Convert structured data between JSON and YAML.
RUNS LOCALLY
Text / JSON Diff Checker
Compare text line by line or compare JSON values semantically.
RUNS LOCALLY
SQL Formatter
Format SQL for PostgreSQL, MySQL, SQL Server and Oracle.
RUNS LOCALLY
XML Formatter & Validator
Validate and indent XML without resolving external entities.
RUNS LOCALLY
JSONPath Tester
Query JSON with safe JSONPath expressions.
RUNS LOCALLY
JSON ↔ CSV Converter
Convert table data with custom delimiters and header controls.
RUNS LOCALLY
JSON to Java POJO
Generate nested Java models with lists and optional Lombok.
RUNS LOCALLY
JSON to TypeScript
Infer nested interfaces or types, arrays and optional properties.
RUNS LOCALLY
Regex Tester
Test JavaScript patterns, matches and capturing groups.
RUNS LOCALLY
Base64 Encoder / Decoder
Encode and decode UTF-8 text, including URL-safe Base64.
RUNS LOCALLY
URL Encoder / Decoder
Encode URL components, decode text or inspect query parameters.
RUNS LOCALLY
HTML Encoder / Decoder
Escape and decode HTML entities safely as plain text.
RUNS LOCALLY
Text Case Converter
Convert words into eight useful naming conventions.
RUNS LOCALLY
JWT Decoder
Inspect token headers, claims and expiration without sending a token.
RUNS LOCALLY
JWT Signature Verifier
Verify an explicitly selected algorithm and evaluate claims separately.
RUNS LOCALLY
Hash Generator
Hash text or files with SHA-256, SHA-384 and SHA-512.
RUNS LOCALLY
PKCE Code Generator
Generate a cryptographically random verifier and S256 challenge.
RUNS LOCALLY
OAuth 2.0 / OIDC Debugger
Inspect authorization URLs and callback parameters locally.
RUNS LOCALLY
JWKS Explorer
Inspect public JSON Web Key Sets and key metadata.
RUNS LOCALLY
OIDC Discovery Inspector
Explore issuer, endpoints, scopes and supported OIDC algorithms.
RUNS LOCALLY
SAML Decoder
Decode XML, Base64 POST and deflated Redirect binding messages.
RUNS LOCALLY
OAuth Scope Analyzer
Compare requested scopes with granted scopes or token claims.
RUNS LOCALLY
SCIM Filter Validator
Validate SCIM 2.0 comparison, logic and value-path filters.
RUNS LOCALLY
JWK ↔ PEM Converter
Convert RSA and EC public keys locally between JWK and SPKI PEM.
RUNS LOCALLY
Webhook Signature Verifier
Verify HMAC signatures over the exact request body.
RUNS LOCALLY
AWS IAM Policy Validator
Check policy structure and flag overly broad permissions.
RUNS LOCALLY
Passkey / WebAuthn Debugger
Inspect clientDataJSON and authenticator data without storing credentials.
RUNS LOCALLY
HTTP Header Analyzer
Inspect security headers, CORS and caching directives.
RUNS LOCALLY
CORS Debugger
Simulate origin, method and header compatibility.
RUNS LOCALLY
HTTP Request to cURL
Turn a raw HTTP request into a safely quoted POSIX shell command.
RUNS LOCALLY
IPv4 Subnet Calculator
Calculate network, broadcast, masks and usable address ranges.
RUNS LOCALLY
SSL Certificate Inspector
Inspect an HTTPS server certificate and its presented chain.
SERVER DIAGNOSTIC