真正免费的发票生成
CleverInvo 提供真正免费的发票生成器，无时间限制，基础下载无水印，不会强制升级。您可以创建发票、添加客户、自定义明细项目，下载 PDF 发票，全程无需输入任何支付信息。我们提供免费版，是因为我们相信基础的开票功能应该人人可用。
免费版包含哪些功能
免费版包括发票创建（不限明细项目数）、最多管理 5 个客户、PDF 下载、税费计算和多币种支持。您生成的发票与付费用户的完全一样专业。付费版增加邮件发送、定期发票和更多客户配额等便捷功能，但核心的开票功能免费使用。
快速下载无需注册
需要一张临时发票？使用我们 50 多个发票模板中的任意一个，填写信息后直接下载 PDF，无需创建账户。当您需要跟踪发票、管理客户和查看历史记录时，创建免费账户不到一分钟。
准备好创建您的免费在线发票生成器发票了吗？
免费注册，五分钟内生成您的第一张发票。无需信用卡。
相关模板
从预填模板开始
Consultant
Use this free consultant invoice template to bill for Discovery Workshop, Strategy Session, and Recommendations Report, and related work with polished totals, editable notes, and an instant PDF download your clients can review immediately.
Freelance Web Developer
Use this free freelance web developer invoice template to bill for Website Design & Wireframing, Frontend Development, and Backend Development, and related work with polished totals, editable notes, and an instant PDF download your clients can review immediately.
Photographer
Use this free photographer invoice template to bill for Pre-Shoot Planning, On-Site Photography, and Image Editing, and related work with polished totals, editable notes, and an instant PDF download your clients can review immediately.
Graphic Designer
Use this free graphic designer invoice template to bill for Brand Concept Development, Social Media Graphics, and Print Collateral Layout, and related work with polished totals, editable notes, and an instant PDF download your clients can review immediately.
相关指南
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常见问题
CleverInvo 真的免费吗？
是的。免费版包括发票创建、客户管理（最多 5 个客户）和 PDF 下载。无试用期限，无需信用卡。
免费发票生成器有什么限制？
没有隐藏限制。CleverInvo 通过付费版盈利，付费版增加邮件发送、定期发票和无限客户等功能。免费版的基础开票功能完全可用。
免费发票有水印吗？
没有。免费版创建的发票简洁专业，不含 CleverInvo 品牌标识或水印。
以后可以从免费版升级吗？
可以。随时从控制面板升级。升级后您现有的所有发票和客户数据都会保留。