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About this app
emaeglin.dev is a developer toolkit built for everyday work. Get 30+ practical tools in one place to format, validate, convert, generate, inspect, and share data faster. Whether you are debugging JSON, testing regex, generating passwords, decoding JWTs, converting formats, or building API requests, emaeglin.dev helps you move faster with less friction. The platform includes tools across multiple categories: • Encoding & Decoding • Generators • Formatters & Validators • Converters • Text Tools • Security • Reference • Productivity • Sharing Popular tools include: • JSON Formatter • Regex Tester • Password Generator • QR Code Generator • JWT Decoder & Validator • API Request Builder & cURL Generator • YAML/JSON Converter • CSV/JSON Converter • SQL Formatter • XML Formatter • Diff Checker • Markdown Preview • URL Shortener • Paste Bin Why emaeglin.dev: • Free to use • No ads • No track…
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What you can learn from emaeglin.dev
Every shipping app on the App Store has gone through the same decisions you're working through right now: which screenshot goes first, what caption sits over it, which device frame to show, what color the background should be. The 6 screenshots above are emaeglin.dev's answers to those questions — they're public, they're real, and they made it through Apple's review.
Notice the first screenshot in particular. It's the one users see in search results and on the product page, and it's where most apps spend their best caption and tightest design. Look at the proportion of background to phone, where the text sits, what one thing the image is trying to communicate.
Want to see how other Developer Tools apps approach the same problem? Browse more Developer Tools apps in the showcase.
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