for free

figuratively

Without paying; free. / (figuratively) Without effort; as a useful side-effect of something that was to be done anyway.

Japanese Meaning

無料で、費用を一切かけずに利用できること / 追加の労力や努力を必要とせず、まるでサービスとして得られること（比喩的表現）

They distributed extra meals at the shelter for free to anyone who needed them.

彼らは避難所で余分な食事を必要としている人に無料で配布しました。

Sense（1）

Without paying; free.

We got all our food for free, it was included in the contract.

Sense（2）

(figuratively) Without effort; as a useful side-effect of something that was to be done anyway.

When they fixed that one bug, we got this new software feature for free.