Otto.Maenpaa

5 listings we've seen · as of 6 Oct 2026. This is the maker name shown on the store, not proof of who owns the company.

Shopping

Relist and cross-post listings across Vinted, Depop & Discogs in one click. Extracts and remaps fields. 100% local.

Developer Tools

Offline dev utilities: JSON, JWT, base64, URL, hash, UUID, timestamp & diff. 100% client-side, no data leaves your browser.

Communication

Rewrite or generate replies inline in your tone: professional, friendly, concise, support. Bring your own NIM key.

Tools

Validate Finnish Business IDs (Y-tunnus) and VAT numbers, look up companies, and autofill business forms. Runs locally.

Workflow & Planning

Hide YouTube Shorts, X For-You/trends, LinkedIn & Reddit feed clutter. Toggle each distraction. 100% client-side.