New • v1.0

DevTools – Developer Toolkit

A modern, all‑in‑one toolkit with 25+ utilities for developers and IT professionals. Format, convert, generate, analyze, and ship faster – all on your Mac and iOS devices.

Download on the App Store Explore Features Support & FAQ

Everything you need, in one app

Built for speed, privacy, and a delightful developer experience. Most tools run fully offline on your device.

Text & Code
JSON, XML, YAML formatters • JavaScript beautifier • HTML/URL/Base64 encode/decode
Converters
CSV↔JSON • JSON↔YAML • XML↔JSON • Units • File Size
System
Password Generator • Timestamp Converter
Media
Image Format Converter (PNG, JPEG, GIF, WebP, TIFF, BMP) with drag & drop and quality control
Network & Web
HTTP Status • IP Lookup • DNS Lookup • WHOIS (system whois) • User Agent Generator
Delightful UX
Dark/Light mode • Keyboard-friendly • Copy with one click

Screenshots

Welcome & Sidebar
JSON / JS Tools
Network Tools
Image Converter

Get DevTools

One‑time purchase. No subscription. Free updates for the 1.x series.

Privacy‑first

Most operations run entirely on-device. Network tools only send the query you enter (URL/domain/IP) to complete lookups. We do not store your content on our servers.

Read more: Privacy PolicyTerms of Service