JSON Lines Formatter
NEW
Format NDJSON and JSONL files
dotenv Parser
NEW
Parse .env files safely
Rate Limit Calculator
NEW
Estimate API rate limits
Gitignore Generator
NEW
Gitignore Generator — free online tool
Changelog Generator
NEW
Changelog Generator — free online tool
JSON Formatter
NEW
Format & validate JSON instantly
JSON Duplicate Key Detector
UPDATED
Detect duplicate keys in raw JSON
JSON to C# Class
UPDATED
Generate C# models from JSON
Issue Template Generator
UPDATED
Generate issue templates
JSON Lines to JSON
Convert JSONL to JSON array
Feature Flag Config Builder
Generate feature flag configs
JSON Escape / Unescape
Escape and unescape JSON strings safely
JSON Key Sorter
Sort JSON keys alphabetically
JSON Flattener
Flatten nested JSON structures
JSON Unflattener
Rebuild nested JSON from flat keys
JSON Key Renamer
POPULAR
Rename JSON keys in bulk
JSON Value Search
Search keys and values inside JSON
JSON Array Filter
Filter JSON arrays by rules
JSON Array Sorter
Sort JSON arrays by field
JSON Merge Tool
Merge two JSON documents
JSON Splitter
Split large JSON into smaller chunks
JSON to PHP Array
Convert JSON into PHP array syntax
JSON to Python Dict
POPULAR
Convert JSON into Python dict syntax
JSON to Java Class
Generate Java classes from JSON
JSON to Go Struct
Generate Go structs from JSON
JSON to Kotlin Data Class
Generate Kotlin data classes from JSON
OpenAPI Snippet Generator
Generate API request snippets from endpoint data
Env File Generator
Generate .env example files
Port Conflict Checker
Check port conflicts in configs
Conventional Commit Generator
Generate conventional commit messages
Branch Name Generator
POPULAR
Generate clean Git branch names
Release Notes Formatter
Format release notes cleanly
PR Template Generator
Generate pull request templates
HTTP Mock Response Builder
Generate mock HTTP responses
JSON Faker Template Builder
Build fake data templates
Pagination Calculator
Calculate pagination values
Form Validation Rule Builder
Generate form validation rules
Keyboard Shortcut Cheat Sheet Builder
Generate shortcut reference tables
Embed Code Generator
Generate iframe and script embeds
SQL to NoSQL
SQL to NoSQL — free browser-based tool
GraphQL Formatter
Format and beautify GraphQL code
TOML Formatter
Format and beautify TOML code
JSON to XML
JSON to XML — free browser-based tool
Mock Data Generator
Mock Data Generator — free online tool
Lorem JSON
Lorem JSON — free browser-based tool
API Mock Generator
API Mock Generator — free online tool
Environment Variable Validator
Validate Environment Variable syntax instantly
Semver Calculator
Calculate semver instantly
Makefile Generator
Makefile Generator — free online tool
Docker Compose Generator
Docker Compose Generator — free online tool
Dockerfile Generator
Dockerfile Generator — free online tool
SQL Formatter
Format and beautify SQL code
YAML Formatter
Format and beautify YAML code
XML Formatter
Format and beautify XML code
Code Diff Viewer
Compare and diff code viewer
Cron Expression Tester
Test cron expressions and preview next runs
Git Command Builder
Build git commands from plain English
Package.json Validator
Validate Package.json syntax instantly
JSON to YAML
JSON to YAML — free browser-based tool
CSV to SQL
CSV to SQL — free browser-based tool
SQL to CSV
SQL to CSV — free browser-based tool
README Generator
README Generator — free online tool
YAML to JSON
YAML to JSON — free browser-based tool
XML to JSON
XML to JSON — free browser-based tool
License Generator
License Generator — free online tool