STSApps

All apps, one place

Explore the STSApps catalog. Each tool is lightweight, privacy focused, and ready to use without sign-up.

Image Text Overlay

Add customizable text overlays to your images with real-time preview and batch processing.

Convert colors between HEX, RGB, HSL, and generate palettes.

Build focus sessions with flexible work/break cycles.

Calculate percentages, percentage change, and ratio-to-percent quickly.

Resize images to exact dimensions in-browser and download optimized PNG output.

Generate QR codes from links or text and download instantly.

Build UTM-tagged URLs for Google Analytics campaign tracking.

Category page for quick math and campaign planning tools.

Category page for image editing and resize utilities.

Category page for distribution, attribution, and QR workflow tools.