Professional Developer Utilities

Nuntius DevTools

Streamline your development workflow with powerful, client-side utilities. Fast, secure, and always free.

100% Client-Side
Instant Results
Privacy Focused

Total Tools

21

Implemented

17

In Progress

4

Categories

9

Featured Tools

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JSON Formatter & Validator

Format, validate and beautify JSON code with custom indentation and sorting options

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JSON to XML

Convert JSON data to XML format with customizable root element

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XML to JSON

Convert XML data to JSON format with various formatting options

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Code Diff

Compare two pieces of code with split or unified view

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Base64 Encoder & Decoder

Encode and decode text or data to/from Base64 format

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URL Encoder/Decoder

Encode and decode URLs and query strings for web development

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JWT Decoder & Inspector

Decode and inspect JSON Web Tokens with expiration info

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CSV, JSON, XML Converter

Convert between CSV, JSON, TSV, YAML, and XML formats with custom delimiters

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Regex Tester & Debugger

Test and debug regular expressions with real-time feedback and common patterns library

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UUID, ULID & NanoID Generator

Generate UUIDs, ULIDs, and NanoIDs for development and testing with bulk generation options

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HTTP API Tester

Test HTTP requests with a full-featured API client, history, and cURL export

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Hash Generator & Crypto Tools

Generate MD5, SHA-1, SHA-256, SHA-512 hashes and HMAC signatures for files and text

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Case Converter

Convert text between different cases (camelCase, snake_case, etc.)

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Timestamp Converter

Convert Unix timestamps to human-readable dates and vice versa

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Timezone Converter

Convert time between different timezones with multi-timezone display, meeting planner, and business hours visualization

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QR Code Generator

Generate customizable QR codes for text, URLs, WiFi, contacts, and more with custom colors and logos

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Secure Password Generator

Generate secure passwords with customizable options and strength indicators

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Word Count & Text Analyzer

Analyze text for word count, character count, reading time, and detailed statistics

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Color Palette & Contrast Checker

Generate color palettes, check WCAG contrast ratios, and convert between HEX, RGB, HSL formats

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IP Address Calculator

Calculate network address, broadcast address, IP range, and usable hosts for any IPv4 address with CIDR notation

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Icon Explorer

Browse and search Font Awesome v7 (2000+ icons) and Lucide v1.7.0 (1694 icons) with lazy loading and instant preview

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Built with Next.js, TypeScript, and shadcn/ui