Useful apps & tools that make everyday tasks effortless.

Native mobile apps for Android & iOS, plus a library of fast, free online tools and converters that run right in your browser.

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6Mobile Apps

13Online Tools

FreeAlways

Android & iOS

Mobile apps for Android & iOS — many available in multiple languages.

Web-based online tools & converters — no install, works in any browser.

Featured Apps

Popular mobile apps from our collection.

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Log impulse purchases you resisted and see how much you've saved.

Learn English with games, pictures and audio made for kids.

Connect and control Bluetooth STEM kits from your phone.

Realistic TOPIK practice tests with instant scoring.

Free online tools & converters — nothing to install.

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Count words, characters, sentences and reading time as you type.

Get browser notifications reminding you to drink water at your own interval.

Create a QR code for any link or text, then download it as a PNG.

Beautify, validate and color-highlight JSON — then minify or copy.