A growing collection of useful tools.

Create a legally sound termination letter for your apartment, employment contract, mobile phone contract, gym membership, or insurance — in seconds, AI-powered.

Calculate the permissible rent reduction for housing defects (mould, heating failure, noise) and generate a defect notice letter to your landlord.

Calculate your protected income based on the current garnishment table 2026 (valid since July 1, 2025). Includes maintenance obligations.

Application for exemption from the broadcasting licence fee (GEZ) — for Bürgergeld, BAföG, social assistance, and basic income support. Includes all required document notes.

Convert SQL between MySQL, PostgreSQL, and SQLite — AI-assisted, with notes on dialect-specific differences.

Paste any JSON and get accurate TypeScript interfaces with proper optional fields and AI-inferred JSDoc comments.

Paste any regex and get a clean, plain-English explanation token-by-token, with example matches.

Bidirectional: write '0 9 * * 1-5' and get 'weekdays at 09:00' — or convert natural language to cron syntax.

Shift or stretch SRT subtitle timings to fix drift or delay. With preview.