55 tools in this category
Developer Tools
Tools for developers and programmers. Explore 55 browser-based tools with no sign-up required.
Media Query Generator
developer
Generate responsive CSS breakpoints
Open Utility
Data URI Maker
developer
Convert files to Base64 Data URIs for CSS
Open Utility
Web Vitals Simulator
developer
Estimate Core Web Vitals scores
Open Utility
JSON to SQL Schema
developer
Inferred SQL table definitions from JSON
Open Utility
JS Console Prettifier
developer
Visual debugger for complex JS objects
Open Utility
Open Graph Debugger
developer
Social media link preview simulator
Open Utility
GraphQL to JSON
developer
Generate mock JSON from GQL queries
Open Utility
MIME Types
developer
Lookup MIME types and file extensions
Open Utility
IPv6 ULA Generator
developer
Generate unique local IPv6 prefixes
Open Utility
WYSIWYG Editor
developer
Visual HTML editor with live source
Open Utility
MAC Address Tool
developer
Generate and lookup MAC addresses
Open Utility
Random Port Generator
developer
Generate random non-conflicting ports
Open Utility
IP Range Expander
developer
Expand CIDR and IP ranges to lists
Open Utility
Text Compressor
developer
Test Gzip and Zlib text compression
Open Utility
SQL to JSON
developer
Convert SQL INSERT to JSON array
Open Utility
Curl to Code
developer
Convert curl commands to JS, Python, Go
Open Utility
JSON to SQL
developer
Generate SQL INSERT from JSON data
Open Utility
JSON5 to JSON
developer
Convert JSON5 to standard JSON
Open Utility
JSON to Go Struct
developer
Convert JSON to Go data structures
Open Utility
Performance Benchmark
developer
Compare JS code snippet speeds
Open Utility
Cron Validator
developer
Verify and test cron expressions
Open Utility
Cron Expression Tester
developer
Test and predict cron execution dates
Open Utility
JSON Schema Generator
developer
Generate JSON Schema from JSON data
Open Utility
JSON Viewer
developer
Interactive collapsible JSON tree viewer
Open Utility
JSON to TypeScript
developer
Generate TS interfaces from JSON
Open Utility
SVG to JSX
developer
Convert SVG to React components
Open Utility
TOML ↔ YAML
developer
Convert between TOML and YAML formats
Open Utility
YAML Viewer & Formatter
developer
Beautify and sort YAML data
Open Utility
Git Cheat Sheet
developer
Commonly used Git commands reference
Open Utility
Regex Cheat Sheet
developer
Regular expression syntax reference
Open Utility
Email Normalizer
developer
Clean and normalize email addresses
Open Utility
JSON Minifier
developer
Compress JSON by removing whitespace
Open Utility
Device Information
developer
View hardware and browser details
Open Utility
Keycode Info
developer
Find keyboard event keycodes and info
Open Utility
Meta Tag Generator
developer
Generate SEO and social media meta tags
Open Utility
JSON ↔ TOML
developer
Convert between JSON and TOML formats
Open Utility
JSON ↔ XML
developer
Convert between JSON and XML formats
Open Utility
XML Formatter
developer
Format and beautify XML data
Open Utility
JSON Diff
developer
Compare and find differences in JSON
Open Utility
HTTP Status Codes
developer
Complete reference for HTTP response codes
Open Utility
JSON ↔ CSV
developer
Convert between JSON arrays and CSV
Open Utility
URL Parser
developer
Break down complex URLs into parts
Open Utility
Regex Tester
developer
Test and debug regular expressions
Open Utility
Crontab Generator
developer
Create and understand cron expressions
Open Utility
Docker Run to Compose
developer
Convert docker run to docker-compose.yml
Open Utility
Subnet Calculator
developer
Calculate IPv4 subnets and CIDR masks
Open Utility
User Agent Parser
developer
Decode browser user agent strings
Open Utility
SQL Prettify
developer
Format and beautify your SQL queries
Open Utility
Chmod Calculator
developer
Calculate Linux file permissions
Open Utility
JSON ↔ YAML
developer
Convert data between JSON and YAML formats
Open Utility
JWT Parser
developer
Decode and analyze JSON Web Tokens
Open Utility
HTML Entities
developer
Encode and decode HTML entities
Open Utility
JSON Formatter
developer
Format and beautify JSON data
Open Utility
Base64 Encoder/Decoder
developer
Encode and decode Base64 strings
Open Utility
URL Encoder/Decoder
developer
Encode and decode URL strings
Open Utility