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Developer tips, tool comparisons, security guides, and best practices.
We tested every popular JSON formatter on the internet. Here's what we found about speed, privacy, and features.
When you paste your JWT token into an online decoder, do you know where that data goes? The answer might surprise you.
Every regex pattern you'll ever need, with examples and explanations. Keep this cheat sheet bookmarked.
JWT tokens are everywhere in modern auth. Here's what they actually contain and how to inspect them safely.
Base64 isn't encryption. Here's what it actually does and the right (and wrong) ways to use it.
Still using bcrypt with 10 rounds? Here's what modern password security actually looks like in 2026.
Grid and Flexbox aren't competitors — they solve different problems. Here's a clear decision framework.
rwxr-xr-x looks like gibberish until you understand the pattern. Here's the simplest explanation you'll find.
One missing header can expose your entire app. Here are the security headers every site should set.
Every project needs config files, but which format is right for yours? A practical comparison.
You don't need a design degree to pick good colors. Here's the developer's shortcut to color theory.
We polled 500+ developers. These are the extensions that actually made a difference in their workflow.
Cron syntax looks cryptic at first. These real-world examples make it click in 5 minutes.
Why does a space become %20 in some URLs and + in others? Here's everything you need to know about URL encoding.
Better prompts = better AI output. These 10 developer-specific tips will transform how you use ChatGPT, Claude, and other LLMs.
PDF tools that don't upload your files to the cloud? They exist. Here are the best free, private PDF tools in 2026.
We compared API pricing across 14 LLM models. The cheapest option might surprise you.
AES-256-GCM encryption right in your browser — no server, no uploads, no trust required. Here's how it works.