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Is there a way to search for a specific key or value in a large JSON file?
Yes, press Ctrl+F (or Cmd+F on Mac) to open the search bar inside the editor. Type any string — it'll highlight matching keys and values in both text and tree views. This works across nested structures too. For a 10,000-line config file, you can find that one 'timeout' property in under a second. No more squinting at brackets.
JSON Editor
What happens when I set flex-grow on all items to different values?
They absorb available space proportionally. Say Item A has flex-grow: 1 and Item B has flex-grow: 3 — B gets three times more extra space than A. Total container width stays the same. The generator shows this instantly: drag the flex-grow sliders and watch the colored bars expand or shrink. Practical tip: use whole numbers and let the browser calculate ratios. You won't need a calculator.
CSS Flexbox Generator
Is this PDF splitter compatible with macOS, Windows, and Linux?
Yes, it works on any operating system that runs a modern browser. Chrome, Firefox, Edge, and Safari all support the JavaScript engine powering this tool. You don't need to install anything. I've tested it on a Windows 11 laptop, a MacBook with macOS Ventura, and an Ubuntu desktop — no compatibility issues. The only requirement is an up-to-date browser.
PDF Split
Can I use the Audio Speed Changer to proofread written articles by listening to them?
Yes, and it's a smart workflow. Paste your text into a browser-based text-to-speech tool first, then download that MP3. Load it here and slow playback to 0.75x. Hearing your words spoken at a relaxed pace catches awkward phrasing and typos your eyes skip. Speed to 1.25x for a final pacing check. No uploads means your draft stays private the whole time.
Audio Speed Changer
Is pink noise just white noise with a fancy name?
No, they're genuinely different. White noise blasts all frequencies at equal energy — that's the hissy static sound. Pink noise reduces higher frequencies, creating a warmer, more balanced tone like gentle rainfall. Brown noise cuts high frequencies even more for that deep rumble. Open two browser tabs, one with white and one with pink, and toggle between them. You'll hear the difference immediately. Most people describe pink noise as softer and more natural, which is why it's often preferred for sleep over white noise.
White Noise Generator
Do I need to pay for any emoji I copy from here?
Not a cent. Every single emoji in this finder is totally free to use, no strings attached. Unicode is an open standard, so there are no licensing fees or royalty payments. You can grab a heart for your tweet, a pizza slice for a menu mockup, or a rocket for a presentation slide. No attribution required. One less thing to worry about when you're on a tight deadline.
Emoji Finder & Search