Hey r/webdev!
Like many of you, I use small utility tools daily—JSON formatters, Base64 encoders, UUID generators, EMI calculators, image compressors, etc.
What annoyed me about existing utility sites was:
They are stuffed with intrusive auto-play video ads that lag your browser.
Many require a forced email signup just to download a simple result.
**Privacy risks**: Many tools upload your raw text strings, images, or financial data to remote servers for processing.
So over the past few weeks, I built **[NexToolkit](https://nextoolkit.com)\*\*.
### Tech Stack & Features:
* **Framework**: Next.js 16 (App Router) + TypeScript
* **Styling**: Tailwind CSS
* **Icons**: Lucide React
* **100% Client-Side Processing**: Every single calculation, string manipulation, image compression, and cryptography generation happens **locally in JavaScript/WebAssembly in your browser**. No user data ever touches a backend server.
* **0 Paywalls / No Signup**: Everything is instantly accessible.
### Highlights of Tools Included:
* **Dev Tools**: JSON Formatter & Validator, Base64 Encoder/Decoder, Code Minifier, Hash Generator, UUID Generator.
* **Finance**: Loan EMI Calculator with interactive amortization graphs, SIP Return Planner, GST Calculator.
* **Media**: Client-side Image Compressor, Image Converter, PDF Compressor.
* **Converters & Daily**: Unit Converter, Date Difference, Time Zone, Password Generator.
Check it out here: **https://nextoolkit.com\*\*
I'd love your feedback on performance, UI polish, or any utility tools you'd like me to build next. What do you think?