Sharing JSON is painful: - Sensitive info like passwords, tokens, or emails can’t be exposed. - Manual masking is slow and error-prone. MaskJSON solves this in seconds: - Mask sensitive fields instantly with multiple styles. - Copy or download safely.
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Maker
📌
Hey Product Hunt! 👋
I built MaskJSON because I kept running into the same problem: every time I wanted to share JSON with teammates or clients, sensitive info like passwords, tokens, or emails had to be manually removed — and it was slow, error-prone, and frustrating.
So I made a tiny, 100% client-side tool that masks sensitive fields instantly, keeps your JSON formatted, and works completely in the browser.
Would love to hear your feedback, feature ideas, or suggestions on how to make it even more useful!
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Wow, yes! 🙌 This is exactly what I needed last week when I almost accidentally leaked an API key! 😂
Wow, yes! 🙌 This is exactly what I needed last week when I almost accidentally leaked an API key! 😂
@jakey_preston
Haha exactly 😅 that’s why I built it! Would love your feedback if you try it 🙌
It seems so straightforward, yet it's incredibly useful. The client-side aspect is a huge bonus too—no trust issues there!
@yuri_toledo1
Thanks 🙏🏻
I’m really glad you created this. I share JSON on Slack all the time and keep forgetting to hide my credentials! 😬
@elmas_satar
Thanks. Would love your feedback if you try it 🙌
This tool is seriously underrated; people won’t realize how handy it is until they almost leak data! Haha!
@maxim_keto
Thanks.. Would love your feedback if you try it 🙌
Feature suggestion: it would be awesome to allow custom field names to always be masked, like “auth,” “key,” or “secret.”
@linda_tasman
Thanks! 🙌 MaskJSON already auto-detects keys like auth, key, secret & more. Would love your feedback on which ones to add next
Wow, it's lightweight and browser-based. I love it—no installations required!
@oliver_scott4
Thanks 🙌🏻