JSON & Data
32 tools for json & data workflows.
Advanced developer utilities and converters with clean root-level URLs, fast launch cards, favorites, recent tools, and app-like mobile navigation.
High-value utilities most developers reach for first.
Format, beautify, validate, and inspect JSON with a fast split-pane editor.
Validate JSON syntax and get readable error messages before shipping data.
Compare two JSON documents and highlight structural changes.
Convert YAML configs into clean, formatted JSON.
Encode text to Base64 or decode Base64 back to readable content.
Decode JWT headers and payloads without sending tokens to a server.
Test regular expressions against sample text and inspect matches.
Convert cURL commands into JavaScript fetch snippets.
Format SQL queries for readability, reviews, and documentation.
Generate TypeScript interfaces from sample JSON.
Generate RFC 4122 UUIDs for databases, testing, and app development.
Format GraphQL queries Includes a browser-first workflow inspired by prettier (graphql plugin).
Minify/optimize SVG code Includes a browser-first workflow inspired by svgo.
Parse, validate .env files Includes a browser-first workflow inspired by dotenv-parser.
Convert JSON array to CSV Includes a browser-first workflow inspired by papaparse.
Validate YAML syntax Includes a browser-first workflow inspired by js-yaml.
Format/beautify YAML Includes a browser-first workflow inspired by js-yaml.
Format/beautify XML Includes a browser-first workflow inspired by vkbeautify.
Generate JSON Schema from sample data Includes a browser-first workflow inspired by json-schema-from-sample.
Query JSON with JSONPath expressions Includes a browser-first workflow inspired by jsonpath-plus.
Parse and inspect protobuf messages Includes a browser-first workflow inspired by protobuf.js.
Encode/decode MessagePack binary format Includes a browser-first workflow inspired by msgpack-lite.
Convert to/from BSON format Includes a browser-first workflow inspired by bson.
Inspect Avro serialized data Includes a browser-first workflow inspired by avsc.
Format Clojure EDN data Includes a browser-first workflow inspired by cljson.
Parse HOCON config format Includes a browser-first workflow inspired by hocon-parser.
Validate JSON-LD documents Includes a browser-first workflow inspired by jsonld.
Visualize GraphQL schema Includes a browser-first workflow inspired by graphql-js.
Merge multiple JSON files Includes a browser-first workflow inspired by deep-merge.
Compress HTML Includes a browser-first workflow inspired by html-minifier.
Compare text files side-by-side Includes a browser-first workflow inspired by diff-match-patch.
Generate regex from examples Includes a browser-first workflow inspired by regex-generator.
Generate TOC from Markdown Includes a browser-first workflow inspired by markdown-it.
Apply ROT13 cipher
Convert IDN domains Includes a browser-first workflow inspired by punycode.
Generate MD5 hashes Includes a browser-first workflow inspired by crypto-js.
Generate SHA1 hashes Includes a browser-first workflow inspired by crypto-js.
Generate HMAC hashes Includes a browser-first workflow inspired by crypto-js.
Generate RSA key pairs Includes a browser-first workflow inspired by jsencrypt.
Inspect SSL certificates Includes a browser-first workflow inspired by pkijs.
Generate TOTP codes (2FA) Includes a browser-first workflow inspired by speakeasy.
Sign text with private key Includes a browser-first workflow inspired by jsencrypt.
Generate 2FA codes Includes a browser-first workflow inspired by speakeasy.
Generate barcodes Includes a browser-first workflow inspired by jsbarcode.
Generate CRC codes Includes a browser-first workflow inspired by crc.
Generate PGP keys Includes a browser-first workflow inspired by openpgpjs.
Generate Scrypt hashes Includes a browser-first workflow inspired by scrypt-js.
Validate SSL cert chains Includes a browser-first workflow inspired by pkijs.
Test REST APIs with headers Includes a browser-first workflow inspired by axios or fetch.
Test GraphQL queries Includes a browser-first workflow inspired by graphql-js.
Test WebSocket connections Includes a browser-first workflow inspired by None required (native).
Generate short URLs Includes a browser-first workflow inspired by tinyurl-api (external).
Format GraphQL schemas Includes a browser-first workflow inspired by prettier.
Convert REST API to GraphQL Includes a browser-first workflow inspired by graphql-js.
Test SOAP services Includes a browser-first workflow inspired by soap.
Validate API responses Includes a browser-first workflow inspired by json-schema-validator.
Generate mock API responses Includes a browser-first workflow inspired by faker.js.
Generate API docs from OpenAPI Includes a browser-first workflow inspired by swagger-jsdoc.
Validate API keys format
Validate Oracle SQL Includes a browser-first workflow inspired by sql-parser.
Convert between NoSQL dialects
Generate Entity-Relationship Diagrams Includes a browser-first workflow inspired by mermaid.js.
Generate test data for databases Includes a browser-first workflow inspired by faker.js.
Validate workflow files Includes a browser-first workflow inspired by yaml.
Validate GitLab CI files Includes a browser-first workflow inspired by yaml.
Format Terraform configs
Validate Ansible playbooks Includes a browser-first workflow inspired by yaml.
Validate env var naming
Generate self-signed SSL certs Includes a browser-first workflow inspired by node-forge.
Generate DNS configuration
Generate load balancer configs
Validate AWS CloudFormation Includes a browser-first workflow inspired by yaml.
Validate Nginx configs Includes a browser-first workflow inspired by None required (complex parsing).
Validate Apache configs
Validate Prometheus configs Includes a browser-first workflow inspired by yaml.
Validate Grafana dashboards
Validate Istio manifests Includes a browser-first workflow inspired by yaml.
Validate systemd units
Generate color schemes Includes a browser-first workflow inspired by chroma.js.
Generate CSS gradients Includes a browser-first workflow inspired by chroma.js.
Generate mock API responses Includes a browser-first workflow inspired by faker.js, json-schema-faker.
Generate test cases
Generate browser user agents
Generate fake emails Includes a browser-first workflow inspired by faker.js.
Generate fake phone numbers Includes a browser-first workflow inspired by faker.js.
Generate test credit cards Includes a browser-first workflow inspired by faker.js.
Generate SSH keys Includes a browser-first workflow inspired by node-forge or tweetnacl.
Generate secure API keys Includes a browser-first workflow inspired by crypto.
Generate GUIDs Includes a browser-first workflow inspired by uuid.
Generate coupon codes
Generate random numbers
Generate random strings
Generate license keys Includes a browser-first workflow inspired by crypto.
Generate GraphQL types Includes a browser-first workflow inspired by graphql-js.
Generate React components
Generate HTML boilerplate
Generate CSS/Tailwind snippets
Generate INSERT SQL statements
Generate Kotlin data classes
Generate Rust structs
Generate PHP classes
Generate Swift Codable structs
Generate Swagger UI from spec Includes a browser-first workflow inspired by swagger-ui.
Generate GraphQL resolver stubs Includes a browser-first workflow inspired by graphql-js.
Create Gantt charts Includes a browser-first workflow inspired by mermaid.js.
Visualize project dependencies Includes a browser-first workflow inspired by d3.js.
Generate heat maps Includes a browser-first workflow inspired by heatmap.js.
Create tree maps Includes a browser-first workflow inspired by d3.js.
Test glob patterns Includes a browser-first workflow inspired by minimatch or glob.
Convert PCRE to JS regex
Validate email addresses Includes a browser-first workflow inspired by email-validator.
Validate URLs Includes a browser-first workflow inspired by url-regex.
Validate IP addresses Includes a browser-first workflow inspired by ipaddr.js.
Convert units (length, weight, etc) Includes a browser-first workflow inspired by convert-units.
Convert between timezones Includes a browser-first workflow inspired by moment-timezone.
Convert currencies Includes a browser-first workflow inspired by None (external API needed).
Generate Markdown tables
Convert between number bases Includes a browser-first workflow inspired by big.js.
Validate ISBN numbers Includes a browser-first workflow inspired by isbn-validate.
Validate UUID format Includes a browser-first workflow inspired by uuid-validate.
Generate multi-paragraph Lorem
Work with regular expression generator directly in your browser.
Work with postgresql validator directly in your browser.
Trending searches and fast-launch cards.
Format, beautify, validate, and inspect JSON with a fast split-pane editor.
Validate JSON syntax and get readable error messages before shipping data.
Compare two JSON documents and highlight structural changes.
Turn JSON into an expandable tree-style outline for easier inspection.
Convert YAML configs into clean, formatted JSON.
Convert CSV tables into JSON arrays for APIs, imports, and testing.
Convert Markdown syntax to clean semantic HTML instantly.
Encode text to Base64 or decode Base64 back to readable content.
Fresh utilities ready for daily developer workflows.
Work with postgresql validator directly in your browser.
Work with database schema visualizer directly in your browser.
Work with regular expression generator directly in your browser.
Generate multi-paragraph Lorem
Validate UUID format Includes a browser-first workflow inspired by uuid-validate.
Validate ISBN numbers Includes a browser-first workflow inspired by isbn-validate.
Convert between number bases Includes a browser-first workflow inspired by big.js.
Generate Markdown tables
Browse the toolkit by workflow type.
32 tools for json & data workflows.
38 tools for encoding & security workflows.
30 tools for text utilities workflows.
20 tools for api & backend workflows.
22 tools for devops & cloud workflows.
14 tools for database workflows.
19 tools for ai dev tools workflows.
19 tools for generators workflows.
14 tools for performance & analysis workflows.
15 tools for visualization workflows.
10 tools for regex & patterns workflows.
11 tools for misc utilities workflows.
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Format, beautify, validate, and inspect JSON with a fast split-pane editor.
Validate JSON syntax and get readable error messages before shipping data.
Compare two JSON documents and highlight structural changes.
Convert YAML configs into clean, formatted JSON.
Quickly jump back into your last tools.
Format, beautify, validate, and inspect JSON with a fast split-pane editor.
Validate JSON syntax and get readable error messages before shipping data.
Compress JSON by removing whitespace while preserving valid structure.
Compare two JSON documents and highlight structural changes.
AI dev helpers, DevOps viewers, and schema-aware utilities.
Generate common cron expressions for scheduled tasks.
Explain cron expressions in readable human language.
Generate .env examples from key-value pairs and config notes.
Validate Kubernetes YAML structure for common manifest fields.
Inspect docker-compose services, ports, volumes, and environment settings.
Generate TypeScript interfaces from sample JSON.
244 tools available as standalone root-level pages.
Format, beautify, validate, and inspect JSON with a fast split-pane editor.
Validate JSON syntax and get readable error messages before shipping data.
Compress JSON by removing whitespace while preserving valid structure.
Compare two JSON documents and highlight structural changes.
Turn JSON into an expandable tree-style outline for easier inspection.
Check JSON against a lightweight schema outline and required keys.
Explore JSON paths and generate useful dot paths from nested data.
Convert YAML configs into clean, formatted JSON.
Convert JSON objects into readable YAML for config files and docs.
Convert CSV tables into JSON arrays for APIs, imports, and testing.
Convert XML snippets into JSON for integrations and debugging.
Convert TOML-style config values into readable JSON.
Convert Markdown syntax to clean semantic HTML instantly.
Encode text to Base64 or decode Base64 back to readable content.
Encode URLs safely or decode percent-encoded query strings.
Escape HTML entities or decode encoded HTML text.
Decode JWT headers and payloads without sending tokens to a server.
Generate QR codes for links, text, Wi-Fi details, and quick sharing.
Generate SHA-256 hashes for strings and uploaded files.
Create bcrypt-style password hashes for testing and local development.
Create strong random passwords with developer-friendly controls.
Estimate password strength with practical feedback and improvement tips.
Compare two text blocks and spot changed lines quickly.
Test regular expressions against sample text and inspect matches.
Count words, characters, sentences, paragraphs, and reading time.
Convert text to title case, camelCase, snake_case, kebab-case, and more.
Compress CSS by removing whitespace and comments while preserving functionality.
Compress JS by removing whitespace and comments to reduce file size.
Inspect Unicode code points, characters, and invisible spacing issues.
Generate placeholder copy for mockups, prototypes, and content testing.
Convert cURL commands into JavaScript fetch snippets.
Convert cURL examples into readable Axios request code.
Parse and organize HTTP headers for debugging requests and responses.
Draft API requests and generate simple request snippets.
Look up HTTP status codes with developer-focused explanations.
Interactive reference for all HTTP status codes from 1xx to 5xx with filter and search.
Generate common cron expressions for scheduled tasks.
Explain cron expressions in readable human language.
Generate .env examples from key-value pairs and config notes.
Validate Kubernetes YAML structure for common manifest fields.
Inspect docker-compose services, ports, volumes, and environment settings.
Format SQL queries for readability, reviews, and documentation.
Minify SQL by collapsing extra whitespace for compact snippets.
Beautify messy SQL with readable line breaks and spacing.
Generate TypeScript interfaces from sample JSON.
Generate Java POJO class outlines from JSON fields.
Generate Go struct definitions from JSON samples.
Generate type outlines from OpenAPI schema documents.
Inspect OpenAPI paths, methods, schemas, and operations.
Generate RFC 4122 UUIDs for databases, testing, and app development.
Generate compact random IDs for URLs, records, and app state.
Convert titles and text into URL-safe slugs.
Generate realistic sample users, emails, companies, and addresses.
Format GraphQL queries Includes a browser-first workflow inspired by prettier (graphql plugin).
Minify/optimize SVG code Includes a browser-first workflow inspired by svgo.
Parse, validate .env files Includes a browser-first workflow inspired by dotenv-parser.
Convert JSON array to CSV Includes a browser-first workflow inspired by papaparse.
Validate YAML syntax Includes a browser-first workflow inspired by js-yaml.
Format/beautify YAML Includes a browser-first workflow inspired by js-yaml.
Format/beautify XML Includes a browser-first workflow inspired by vkbeautify.
Generate JSON Schema from sample data Includes a browser-first workflow inspired by json-schema-from-sample.
Query JSON with JSONPath expressions Includes a browser-first workflow inspired by jsonpath-plus.
Parse and inspect protobuf messages Includes a browser-first workflow inspired by protobuf.js.
Encode/decode MessagePack binary format Includes a browser-first workflow inspired by msgpack-lite.
Convert to/from BSON format Includes a browser-first workflow inspired by bson.
Inspect Avro serialized data Includes a browser-first workflow inspired by avsc.
Format Clojure EDN data Includes a browser-first workflow inspired by cljson.
Parse HOCON config format Includes a browser-first workflow inspired by hocon-parser.
Validate JSON-LD documents Includes a browser-first workflow inspired by jsonld.
Visualize GraphQL schema Includes a browser-first workflow inspired by graphql-js.
Merge multiple JSON files Includes a browser-first workflow inspired by deep-merge.
Estimate data structure size
Compress HTML Includes a browser-first workflow inspired by html-minifier.
Compare text files side-by-side Includes a browser-first workflow inspired by diff-match-patch.
Generate regex from examples Includes a browser-first workflow inspired by regex-generator.
Word count, character analysis
Lint Markdown files Includes a browser-first workflow inspired by markdownlint.
Encode/decode with various encodings Includes a browser-first workflow inspired by iconv-lite.
Decode QR codes Includes a browser-first workflow inspired by jsQR.
Check spelling in text Includes a browser-first workflow inspired by typo-js.
Check grammar in text Includes a browser-first workflow inspired by language-tool-js.
Analyze sentiment of text Includes a browser-first workflow inspired by natural (NLP).
Detect language of text Includes a browser-first workflow inspired by franc.
Summarize long text Includes a browser-first workflow inspired by natural.
Check for duplicate text Includes a browser-first workflow inspired by None (would need API).
Format code (multi-language) Includes a browser-first workflow inspired by prettier.
Live preview Markdown Includes a browser-first workflow inspired by markdown-it.
Generate TOC from Markdown Includes a browser-first workflow inspired by markdown-it.
Convert text to Morse
Decode Morse code
Reverse text/strings
Find anagrams
Analyze word frequency Includes a browser-first workflow inspired by natural.
Search/view Unicode characters Includes a browser-first workflow inspired by unicode-data.
Encode/decode Base64
Encode/decode URLs
Encode/decode HTML entities
Convert to/from hexadecimal
Apply ROT13 cipher
Apply Caesar cipher with key
Apply Vigenère cipher
Encode/decode Base32 Includes a browser-first workflow inspired by base32.js.
Convert IDN domains Includes a browser-first workflow inspired by punycode.
Generate MD5 hashes Includes a browser-first workflow inspired by crypto-js.
Generate SHA1 hashes Includes a browser-first workflow inspired by crypto-js.
Generate HMAC hashes Includes a browser-first workflow inspired by crypto-js.
Generate RSA key pairs Includes a browser-first workflow inspired by jsencrypt.
Inspect SSL certificates Includes a browser-first workflow inspired by pkijs.
Generate TOTP codes (2FA) Includes a browser-first workflow inspired by speakeasy.
Encrypt/decrypt with AES Includes a browser-first workflow inspired by crypto-js.
Sign text with private key Includes a browser-first workflow inspired by jsencrypt.
Verify signed text Includes a browser-first workflow inspired by jsencrypt.
Generate 2FA codes Includes a browser-first workflow inspired by speakeasy.
Generate vCard QR codes Includes a browser-first workflow inspired by qrcode.js.
Generate barcodes Includes a browser-first workflow inspired by jsbarcode.
Scan barcodes (webcam) Includes a browser-first workflow inspired by jsQR + webcam.
Calculate checksums Includes a browser-first workflow inspired by crc.
Generate CRC codes Includes a browser-first workflow inspired by crc.
Generate PGP keys Includes a browser-first workflow inspired by openpgpjs.
Encrypt/decrypt with PGP Includes a browser-first workflow inspired by openpgpjs.
Hash passwords with Argon2 Includes a browser-first workflow inspired by argon2-wasm.
Generate Scrypt hashes Includes a browser-first workflow inspired by scrypt-js.
Validate SSL cert chains Includes a browser-first workflow inspired by pkijs.
Test REST APIs with headers Includes a browser-first workflow inspired by axios or fetch.
Build HTTP request headers
Test GraphQL queries Includes a browser-first workflow inspired by graphql-js.
Test WebSocket connections Includes a browser-first workflow inspired by None required (native).
Generate short URLs Includes a browser-first workflow inspired by tinyurl-api (external).
Format GraphQL schemas Includes a browser-first workflow inspired by prettier.
Convert REST API to GraphQL Includes a browser-first workflow inspired by graphql-js.
Test SOAP services Includes a browser-first workflow inspired by soap.
Calculate rate limit impacts
Validate API responses Includes a browser-first workflow inspired by json-schema-validator.
Generate mock API responses Includes a browser-first workflow inspired by faker.js.
Generate API docs from OpenAPI Includes a browser-first workflow inspired by swagger-jsdoc.
Compare API responses Includes a browser-first workflow inspired by diff-match-patch.
Validate API keys format
Build MongoDB queries visually
Validate PostgreSQL syntax Includes a browser-first workflow inspired by sql-parser.
Validate MySQL syntax Includes a browser-first workflow inspired by sql-parser.
Validate Oracle SQL Includes a browser-first workflow inspired by sql-parser.
Convert between NoSQL dialects
Detect SQL injection vulnerabilities
Visualize DB schemas Includes a browser-first workflow inspired by d3.js.
Generate Entity-Relationship Diagrams Includes a browser-first workflow inspired by mermaid.js.
Generate test data for databases Includes a browser-first workflow inspired by faker.js.
Visualize query execution plans Includes a browser-first workflow inspired by d3.js.
Analyze index efficiency
Validate workflow files Includes a browser-first workflow inspired by yaml.
Validate GitLab CI files Includes a browser-first workflow inspired by yaml.
Format Terraform configs
Validate Ansible playbooks Includes a browser-first workflow inspired by yaml.
Lint Dockerfile Includes a browser-first workflow inspired by hadolint (external).
Validate env var naming
Generate self-signed SSL certs Includes a browser-first workflow inspired by node-forge.
Generate DNS configuration
Generate load balancer configs
Validate AWS CloudFormation Includes a browser-first workflow inspired by yaml.
Validate Nginx configs Includes a browser-first workflow inspired by None required (complex parsing).
Validate Apache configs
Validate Prometheus configs Includes a browser-first workflow inspired by yaml.
Validate Grafana dashboards
Validate Istio manifests Includes a browser-first workflow inspired by yaml.
Calculate chmod permissions
Validate systemd units
Generate color schemes Includes a browser-first workflow inspired by chroma.js.
Generate CSS gradients Includes a browser-first workflow inspired by chroma.js.
Generate mock API responses Includes a browser-first workflow inspired by faker.js, json-schema-faker.
Generate test cases
Generate browser user agents
Generate fake emails Includes a browser-first workflow inspired by faker.js.
Generate fake phone numbers Includes a browser-first workflow inspired by faker.js.
Generate test credit cards Includes a browser-first workflow inspired by faker.js.
Generate SSH keys Includes a browser-first workflow inspired by node-forge or tweetnacl.
Generate secure API keys Includes a browser-first workflow inspired by crypto.
Generate GUIDs Includes a browser-first workflow inspired by uuid.
Generate coupon codes
Generate random numbers
Generate random strings
Generate license keys Includes a browser-first workflow inspired by crypto.
Generate Python dataclasses
Generate C# classes
Generate client SDKs Includes a browser-first workflow inspired by openapi-generator (external).
Generate GraphQL types Includes a browser-first workflow inspired by graphql-js.
Generate React components
Generate HTML boilerplate
Generate CSS/Tailwind snippets
Generate INSERT SQL statements
Generate Kotlin data classes
Generate Rust structs
Generate PHP classes
Generate Swift Codable structs
Generate Swagger UI from spec Includes a browser-first workflow inspired by swagger-ui.
Generate GraphQL resolver stubs Includes a browser-first workflow inspired by graphql-js.
Analyze JS bundle sizes Includes a browser-first workflow inspired by webpack-bundle-analyzer.
Calculate Web Vitals impact
Estimate page load times
Simulate network conditions
Analyze potential memory leaks Includes a browser-first workflow inspired by None required (theoretical).
Find duplicate code blocks Includes a browser-first workflow inspired by code-similarity.
Calculate code complexity Includes a browser-first workflow inspired by esprima.
Estimate code coverage Includes a browser-first workflow inspired by nyc (istanbul).
Estimate technical debt Includes a browser-first workflow inspired by sonarqube-metrics.
Analyze API latency
Suggest query optimizations
Calculate SEO metrics
Check WCAG compliance Includes a browser-first workflow inspired by axe-core.
Estimate website carbon impact
Create flowcharts Includes a browser-first workflow inspired by mermaid.js.
Create ERD diagrams Includes a browser-first workflow inspired by mermaid.js.
Create sequence diagrams Includes a browser-first workflow inspired by mermaid.js.
Create Gantt charts Includes a browser-first workflow inspired by mermaid.js.
Visualize UML class diagrams Includes a browser-first workflow inspired by mermaid.js.
Visualize tree structures Includes a browser-first workflow inspired by d3.js.
Visualize graph structures Includes a browser-first workflow inspired by cytoscape.js.
Visualize project dependencies Includes a browser-first workflow inspired by d3.js.
Visualize network topologies Includes a browser-first workflow inspired by d3.js.
Generate heat maps Includes a browser-first workflow inspired by heatmap.js.
Create interactive timelines Includes a browser-first workflow inspired by vis.js.
Create mind maps Includes a browser-first workflow inspired by markmap.
Create Sankey diagrams Includes a browser-first workflow inspired by d3.js.
Create tree maps Includes a browser-first workflow inspired by d3.js.
Create chord diagrams Includes a browser-first workflow inspired by d3.js.
Visualize regex patterns Includes a browser-first workflow inspired by regexper.
Match patterns in text
Validate string templates
Test glob patterns Includes a browser-first workflow inspired by minimatch or glob.
Extract named groups from regex
Analyze regex performance
Convert PCRE to JS regex
Validate email addresses Includes a browser-first workflow inspired by email-validator.
Validate URLs Includes a browser-first workflow inspired by url-regex.
Validate IP addresses Includes a browser-first workflow inspired by ipaddr.js.
Convert units (length, weight, etc) Includes a browser-first workflow inspired by convert-units.
Convert between timezones Includes a browser-first workflow inspired by moment-timezone.
Convert currencies Includes a browser-first workflow inspired by None (external API needed).
Generate Markdown tables
Convert between number bases Includes a browser-first workflow inspired by big.js.
Validate ISBN numbers Includes a browser-first workflow inspired by isbn-validate.
Validate UUID format Includes a browser-first workflow inspired by uuid-validate.
Generate multi-paragraph Lorem
Work with regular expression generator directly in your browser.
Work with database schema visualizer directly in your browser.
Work with postgresql validator directly in your browser.