Two privacy-first tools I built: a browser-based file processor + an AI image studio

Hey Product Hunt community! 👋

I wanted to share two tools I've been working on. Both share a common philosophy: 
you should only pay for what you actually use, and privacy matters.

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**Toolknit** — toolknit.com
A completely browser-based file processing toolbox. No uploads, no servers, no account needed.

- PDF conversion, compression, merging, splitting
- Image format conversion, compression, cropping, background removal
- Video compression, GIF conversion, audio extraction
- Audio format conversion
- 60+ tools in total, all running locally via WebAssembly

Everything processes right in your browser. Your files never leave your device. Free, no signup.

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**24picture** — 24picture.com
A credit-based AI image studio. Pay only for what you use — credits never expire.

- Text to Image with 3 AI models (Nano Banana 2, NB Pro, GPT Image)
- Image to Image transformation
- AI Upscale to 4K
- AI Model photography
- AI Tattoo Design with 7 styles
- AI Sticker Maker
- Photo to Anime
- 9 specialized tools total

Free credits when you sign up, no card required.

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Both are live and I'd love your honest feedback. What would you improve? 
What features would make these genuinely useful for your workflow?

Thanks for checking them out!