JSON Formatter
Format, validate, and minify JSON data.
Open ToolDARKX DEVTOOLS
All-in-One Developer Toolkit
Powerful online tools for developers, designers and hackers.
Work faster, code better, and stay productive.
FastSecureNo Installation100% Free
Popular Tools
Most used tools by developers
Base64 Tools
Encode and decode Base64 data.
Open ToolJWT Inspector
Decode and inspect JWT header and payload (no signature verification).
Open ToolHash Generator
Generate SHA-256 hashes locally using the Web Crypto API.
Open ToolRegex Tester
Test regular expressions against text with live matching.
Open ToolAPI Request Tester
Send HTTP requests (GET/POST/PUT/PATCH/DELETE) with headers and JSON body.
Open ToolURL Encoder/Decoder
Encode and decode URL components and query strings.
Open ToolUUID Generator
Generate random UUIDs (v4).
Open ToolMore Tools
12 more in the toolkitHTML Entity Encoder/Decoder
Encode and decode HTML entities.
Code Minifier
Minify JavaScript, CSS, and HTML code.
IP Lookup
Look up location from an IP address using an external service.
User-Agent Parser
Analyze browser user-agent strings.
Color Converter
Convert between HEX, RGB, and HSL color formats.
File Type Inspector
Inspect files and detect MIME types from headers.
Password Generator
Generate cryptographically secure passwords.
MIME Type Checker
Detect MIME types from file extensions quickly.
Timestamp Converter
Convert between Unix timestamps and readable dates.
Text Diff Checker
Compare two blocks of text and highlight differences.
Query String Parser
Parse URL query strings into key/value pairs.
HTML/CSS/JS Playground
Write and preview HTML, CSS, and JavaScript in the browser.
Tools Available
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