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Guide How to Convert Images to Base64 on Mac
Convert images to and from Base64 on macOS using the Terminal or DevKnife's Base64 Image tool.
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Guides
Practical how-to guides and tutorials for everyday developer tasks on macOS.
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Guide How to Convert CSV to JSON on Mac
Learn how to convert CSV to JSON on macOS, why the conversion is trickier than it looks, and how to do it instantly and locally with DevKnife.
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Guide How to Decode JWT Tokens on Mac
Learn what JWTs are, why pasting them into online tools can be risky, how to decode them locally in Terminal, and how to inspect them faster with DevKnife.
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Guide How to Test API Endpoints Using an HTTP Client on macOS
Learn how to use Devknife's built-in HTTP client to send requests, inspect responses, and test your APIs, all within a fast and private native macOS app.
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Guide How to Convert a Unix Timestamp on Mac
Convert Unix timestamps to readable dates on macOS using the Terminal, covering both directions, milliseconds, and UTC, plus a faster native option with DevKnife's Time Inspector.
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Guide How to Generate MD5 and SHA Hashes on macOS
Learn how to create MD5 and SHA hashes on macOS using built-in commands or DevKnife’s Hasher tool.
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Guide How to find your public IP address on macOS
Find your public IP on macOS using terminal commands, websites, or DevKnife’s IP Lookup — plus how Apple Private Relay affects your results.
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Guide How to Open JSON Files on Mac
Learn how to open JSON files on your Mac using built-in tools, online viewers, browser extensions, and dedicated apps like DevKnife.
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Guide Nmap GUI for macOS
Discover a modern Nmap GUI for macOS with DevKnife. Scan ports easily using a clean native interface while keeping the power of Nmap under the hood.
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Guide The Easiest Way to Compare Text on macOS
A simple guide to comparing text on macOS without relying on the command line or heavy IDEs. Learn lightweight ways to spot differences quickly and clearly.
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