LocalStorage & SessionStorage Manager

Snap or type expense details and store them locally. Categorize and see monthly totals. No cloud, no sign‑up.

Finance expense local receipt tracker

Automatically remove the background from any photo using a small on‑device AI model (WASM). No upload. Works offline.

AI AI background remove free local

Enumerate all fonts installed on your device and see a real‑time preview. Useful for design tools. Permission required.

API API Font Access fonts local

Open the same page in two tabs and draw together in real time using BroadcastChannel API. Share ideas without a server.

Fun drawing local sync whiteboard

Create a temporary chat room between two browser tabs or devices on the same network using WebRTC data channels. Copy the code.

Communication chat local P2P WebRTC

Test prompt formatting without calling an LLM. See how your prompt would look with different templates. Dev tool.

AI LLM local prompt tester

Store passwords and notes encrypted with a master passphrase. Data lives only in your browser's localStorage. No cloud.

Productivity encrypted local password vault

Tag: LocalStorage & SessionStorage Manager