This is nicely done. Obviously haven't had time to check anything exhaustively but first impression is that it's very nice.

A bit more technical context:

Tools like JSON formatting, validation, Base64, UUID generation, and most converters are processed entirely client-side using plain JavaScript.

There are intentionally no ad networks, no analytics scripts, and no tracking pixels. I wanted the site to load fast and do one thing well.

If anyone spots architectural issues, edge cases (especially large payload handling), or security concerns, I’d genuinely appreciate the critique.

What's the monetization plan?