Upload an image and choose an output format. Converts in-browser — no server upload. Animated GIF → animated WEBP is available by explicitly enabling "Animated conversion"; ffmpeg.wasm will be loaded only then.

Paste CSV or upload a .csv file. Basic CSV parsing with quoted fields supported.

Upload a CSV and choose how many rows per output file (header row preserved).

Encode UTF-8 text into URL-safe Base64, or decode URL-safe Base64 back into readable text. Padding is optional when decoding.