A. Open the page and check the Length field — this determines how many characters each string will have. B. Enter the Quantity if you want multiple strings at once. C. Select the Character Sets you want: lowercase letters, uppercase letters, digits, symbols — check the boxes as needed. D. To avoid confusing characters like 0, O, l, 1, I, check Exclude ambiguous. E. Optionally, use the Preset dropdown for common types (Password, API Key, Token, Short) and click Apply — the length will update automatically. F. Click Generate to create the string. If multiple, click Generate & List. G. Copy the output using Copy, or download all results as a .txt file using Download. H. Use a modern browser (Chrome, Firefox, Edge, Safari) to ensure full compatibility with the Web Crypto API.