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• No ads on the screen where you edit your own cheat sheet • Premium and add buttons are easier to read
Programming cheat sheets and developer tools: regex, JSON, Git, Python, more
The syntax you almost remember, in your pocket. Dev Cheat Sheets packs concise programming references for the web stack — plus a full box of everyday developer utilities — into one offline app, so you stop tab-hopping to look up the same flexbox property or git command again. Browse a sheet, quiz yourself on it, or open a tool and get the job done. KEY FEATURES • Cheat sheets for the working stack — React, JavaScript and ES6+, TypeScript, HTML, CSS, Git, and Python, from basics to advanced topics • 20+ developer tools — regex tester, JSON formatter, Base64 encoder/decoder, URL encoder, hash generator, JWT decoder, UUID generator, timestamp converter, diff checker, SQL formatter, cron expression generator, color picker, case converter, Markdown preview, password generator, number base converter, string utilities, HTML entity converter, lorem ipsum, random data generator, IP utilities and more • Quiz mode — multiple-choice questions for every topic at three difficulty levels, with an explanation for each answer • Custom sheets — write and save your own cheat sheets for your team's conventions or your own snippets • Search and favorites — find a sheet by name and pin the ones you use daily • Code editor — practise small snippets with ready-made JavaScript, Python and HTML samples • Works offline — sheets and tools run entirely on-device WHY CHOOSE DEV CHEAT SHEETS • Reference and utilities in one app — look up the JavaScript syntax, then test your regex or format your JSON, without switching apps • Quiz mode turns passive reading into retention — handy before interviews and code reviews • Custom sheets grow with you: your own gotchas, saved where you will find them • No account and no connection required — it works on the train, on a plane, at a locked-down client site PERFECT FOR • Developers who keep re-googling the same syntax • Students learning web development, Python, or Git • Interview candidates refreshing fundamentals • Anyone who needs a quick JSON pretty-print, hash, UUID, or regex check on the go Install it once, and the next time syntax fails you, the answer is two taps away.