Loading…
Skip to contentDraw chemical structures with Ketcher (Indigo WASM) locally.
Full tool — runs in your browser. No sign-up required.
Loading…
Draw chemical structures with Ketcher (Indigo WASM) locally.
Developer utilities should be fast, copy-friendly, and predictable. Paste input, get formatted or converted output, and move on — no CLI install required.
Use this free Molecule editor whenever you need a reliable result without creating an account or installing software. It loads in one click and works on desktop and mobile browsers.
Open the Molecule editor page — no registration required.
Paste or type your input into the editor.
Adjust settings and review the live preview (ketcher + indigo wasm).
Copy the output or download the processed file to your device.
Tentaco runs this tool in your browser whenever possible. Text and structured input you paste are handled in the page session unless the tool explicitly fetches remote data. Close the tab or clear the page after use on shared computers. Features that call external APIs (such as URL fetchers) only send the data required for that request.
LocalThis tool processes data locally in your browser. Tentaco does not receive your file contents for this mode.
Draw chemical structures with Ketcher (Indigo WASM) locally. Open the tool in your browser — no account or install required.
Yes — ketcher + Indigo WASM.
No — processing runs locally in your browser. Your files and inputs do not leave your device unless the tool explicitly uses the network.
Converter Studio online — free
Units, encoding, data sizes and timezones in one workspace. Tentaco Converter Studio: review input and get an instant result — free, no sign-up.
Unit converter — length, weight, temperature
Convert metric and imperial units instantly in your browser. Free unit converter — no signup.
BeepBox Reactor online — free
Chip-tune style BeepBox reactor experiment in Reality Lab.
Python notebook online — free
Multi-cell Pyodide notebook with markdown and code — saves locally.
Fluid Reality online — free
Experimental fluid / reaction-diffusion playground.
Circuit playground online — free
Educational voltage divider and LED series resistor calculator (no CircuitJS).
Eye Control online — free
MediaPipe eye-control rebuild path (no GPLv3 WebGazer).
P2P room online — free
Join a Trystero BitTorrent room for peer chat — no API keys.