Everything you need. Right in your dock.
DevKnife brings a suite of 20 essential tools directly to your dock, streamlining your workflow with native macOS performance.
JSON Editor & Formatter
Easily format, validate, and edit JSON data with a user-friendly interface that ensures readability and correctness.
Converter
Convert data between JSON, YAML, TOML, XML, and CSV formats with instant and accurate transformations, all processed locally on your Mac.
Regex Tester
Validate and debug regular expressions with real-time match highlighting and a built-in cheat sheet.
Text Compare
Compare two blocks of text and instantly spot the differences. Highlight changes in a clear, side-by-side view.
JWT Decoder
Instantly decode JSON Web Tokens and view their header, payload, and signature in a clean, readable format.
IndexNow
Submit your sitemap URLs directly to search engines supporting the IndexNow protocol, keeping your content always up to date.
Markdown Editor
Write and preview Markdown in real time with syntax highlighting and a live preview panel.
Encoder & Decoder
Easily convert data between human readable and encoded formats. Includes support for Base64, URL encoding, and HTML.
Domain & IP WHOIS
Access detailed Whois information for domains and IPs, including ownership, registration, and expiration data.
Network Speed Test
Measure your internet speed with real-time download, upload, and latency metrics to ensure optimal network performance.
Color Picker
Select and convert colors across HEX, RGB, and HSL formats with a versatile picker.
Data Generator
Generate structured test data for development and prototyping, including names, addresses, numbers, and more.
IP Location
Find the geographical location of an IP address, including country, region, and city information, using a local MMDB-supported database.
Port Scanner
Scan ports to test connectivity, verify services, or check firewall settings.
Hasher
Hash text or files using MD5, SHA-1, SHA-256, and other algorithms.
Text Inspector
Analyze your text with detailed statistics, including word count, character count, line count, and estimated reading time.
Time Inspector
Convert between timestamps and human‑readable dates, check local time across multiple zones, and visualize a 24‑hour timeline for each location.
SVG Editor
Inspect, format, and optimize SVG code. Includes quick actions to minify, remove dimensions, and export as PNG.
Password Generator
Create strong, customizable passwords with adjustable length and character sets—generated locally and copied in one click.
Tailwind Colors
Browse the full Tailwind CSS palette, see every shade at a glance, and copy HEX values with one click.
Ready to try DevKnife?
Fast, private, and built for macOS.