There are several tools out there, most of which are free, or offer free trials. I typically use several different tools.
基于1个网页-相关网页
or offer free trials
或者提供免费试用
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Offer free or limited-use trials.
提供免费试用或者确定免费试用期。
youdao
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