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- Free
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Create a QR code for a link, Wi-Fi, WhatsApp, contact and more, or read one from a photo.
- Free
- No sign-up
- Works on any device
Fill in the details to see your QR code.
PNG for phones, chats and websites. SVG and PDF stay sharp at any size, which is best for printing. Tip: point your phone camera at the preview to test it.
3. Style (optional): colors, dots, logo
Choose a photo or screenshot or drag it here
Works with photos of printed codes, screenshots and image files.
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JSON to classes (Java, C#, Python, Go, Kotlin, Swift)
Generate classes and models in your language from a sample JSON.
- Free
- No sign-up
- Works on any device
About JSON to classes (Java, C#, Python, Go, Kotlin, Swift)
Paste a sample JSON response and generate model classes for Java, C#, Python, Go, Kotlin or Swift, with nested objects turned into their own types. This avoids hand-writing boilerplate when consuming an API. Check optional and nullable fields, since one sample cannot show every possible shape.
How to use JSON to classes (Java, C#, Python, Go, Kotlin, Swift)
- Type or paste your text in the box above.
- The result appears instantly as you type.
- Copy the result or download it as a file.
Why use this tool?
- Private: everything happens in your browser. Nothing you enter is uploaded.
- Free, with no sign-up, no watermark and no limit on how often you use it.
- Works on phones, tablets and computers: Android, iPhone, Windows, Mac and Linux. Nothing to install.
- Available in 10 languages.
Also known as
Frequently asked questions
Why does the generated model miss some fields?
The generator can only see keys present in your sample. Use a sample that includes optional fields, or add missing ones by hand.
Is JSON to classes (Java, C#, Python, Go, Kotlin, Swift) free?
Yes. JSON to classes (Java, C#, Python, Go, Kotlin, Swift) on Toolipedia is free to use, with no sign-up and no watermark.
Is it safe to use?
Yes. Everything is worked out in your browser, and nothing you enter is sent to our server.
Does it work on my phone?
Yes. It works in any modern browser on Android and iPhone, as well as on tablets and computers. There's nothing to install.
Do I need an account?
No. Just open the page and use the tool. There's no sign-up and no email needed.