Developer Tools
JSON formatters, code beautifiers, Base64/URL encoders, hashes, UUID, and JWT decoder.
JSON Formatter & Validator
Format, beautify, validate, and minify JSON data with syntax error detection.
Base64 Encoder & Decoder
Encode plain text to Base64 or decode Base64 strings with UTF-8 support.
URL Encoder & Decoder
Encode text for URI components or decode percent-encoded URLs instantly.
UUID / GUID Generator (v4)
Generate cryptographically random UUID v4 strings individually or in bulk.
JWT Token Decoder
Inspect JWT header and payload claims securely in your browser without transmitting tokens.
RegEx Tester & Debugger
Test regular expressions with real-time match highlighting, group capturing, and cheat sheet.
Markdown Editor & Live Previewer
Fast, secure Markdown editor with real-time preview, formatting toolbar, and PDF export.
Unix Timestamp / Epoch Converter
Convert Unix epoch timestamps to human-readable dates and dates to seconds or milliseconds.
JSON to CSV / CSV to JSON Converter
Convert JSON arrays into tabular CSV files and CSV spreadsheets into formatted JSON objects.
HTML, CSS & JavaScript Code Minifier
Compress HTML, CSS, and JS code by stripping comments and whitespaces to accelerate page load.
Code Beautifier & Formatter
Format and indent unreadable or minified HTML, CSS, and JavaScript with custom spacing.
SQL Query Formatter & Beautifier
Format complex SQL statements with keyword uppercase and structured clause indentation.
Cron Expression Generator & Explainer
Generate 5-field cron schedules with interactive inputs and human-readable time translation.
Chmod Linux Permissions Calculator
Calculate Linux/Unix file permissions in octal, symbolic, and terminal command formats.
Barcode Generator
Create high-resolution EAN-13, CODE128, and UPC barcodes for print and export
Internet Speed Test
Measure your real download speed, latency ping, and network jitter accurately
What Is My IP Address & Geo Lookup
Check your public IPv4/IPv6 address, internet service provider, city, and location
JSON to TypeScript Interface Converter
Instantly convert JSON objects into strongly typed TypeScript interfaces and type definitions.
Software Developer, Engineering & Syntax Utilities
High-Performance Developer Tools for Modern Software Workflows
The DGNTool Developer suite accelerates everyday workflows for frontend, backend, and full-stack software engineers: JSON formatting, TypeScript interfaces, SVG to JSX, RegEx debugging, and UUID creation.
Strict zero-telemetry guarantee: proprietary schemas, backend secrets, and internal JSON payloads are never uploaded to remote logs.
Legacy Dev Tools vs DGNTool
| Feature | Standard Online Portals | DGNTool |
|---|---|---|
| Code Privacy | Server log leakage risks | 100% In-browser AST parsing |
| Developer UX | Obtrusive popups and distractions | Focus mode with keyboard shortcuts |
Frequently Asked Questions
Is it safe to format proprietary JSON data here?
Yes. All parsing executes strictly in browser memory without network transmission.
Guides & Formulas
10 Proven Ways to Boost Internet Speed and Reduce Ping (Latency Guide)
Struggling with slow Wi-Fi or high gaming ping? Follow our comprehensive guide to optimize DNS, eliminate network bottlenecks, and maximize broadband download bandwidth.
What Is an IP Address? Complete Guide to Checking, Changing & Hiding Your IP
Understand how IP addresses work, the key differences between IPv4 and IPv6, public vs private IPs, and how to effectively mask your digital footprint online.
What Is JSON? The Developer’s Complete Data Interchange Guide
Understand JSON syntax, data types, parsing, and formatting. Learn how APIs transmit data using lightweight key-value objects.
How to Create a QR Code for Menus, Wi-Fi & Marketing Campaigns
Learn how to generate high-resolution QR codes for websites, Wi-Fi passwords, and digital business cards with custom colors and instant PNG/SVG export.