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Effidit is a writing assistant developed by Tencent AI Lab for exploring the use of AI technologies to improve writing efficiency and creative experience.

If you need help with Excel formulas, our free Excel Formulas Generator can help. With just a few clicks, you can create custom formulas for any situation.

Learn more about MinnaLearn's and the University of Helsinki's AI course - no programming or complicated math required.

Find the online learning path for you, delivered by world-class institutions like Harvard, Google, Amazon, and more.

Free motion backgrounds, free for commercial or personal use! all videos are High Definition, motion backgrounds to use in your video editing projects.

秘塔AI搜索，没有广告，直达结果

Use our free temporary disposable email service to protect your personal email address from spam, bots, phishing, and other online abuse. Get a secure, instant, and fast temporary email now.

Download Free Icons and Stickers for your projects. Resources made by and for designers. PNG, SVG, EPS, PSD and CSS formats

Automatically remove background and replace it with a transparent, solid color or background image with just a few clicks!

多情感多模态的Al辅助工具，强大的在线剪辑能力，辅助你轻松创作出优秀的音频作品

Verify originality with Copyleaks' AI detection, the only AI-based platform used by millions worldwide to ensure text authenticity and protect intellectual property.

AI续写 · 平行世界

光速写作转为大学生及职场（公务）人士提供的全新智能写作软件。提供全文生成，大纲生成、文章改写、续写、扩写，AI问答，以及在各类根据您输入需求自动生成您需要的文本等AI功能。

Accoona

一个随意分享推荐本子和里番的小站。

Automatic code review by AI

360网络空间测绘 — 因为看见，所以安全

免费OCR工具，文字识别，表格识别，文档解析、PDF转Word、PDF转Excel、PDF转PPT、PDF转JPG、Word转PDF、Excel转PDF、图片转PDF、Word转JPG、图像水印去除、图像切边增强矫正、照片文档歪曲矫正、去除屏幕纹、自动擦除手写文字、图像质量检测、AI篡改检测、OFD转图片、印章检测、票据识别

Kaggle is the world’s largest data science community with powerful tools and resources to help you achieve your data science goals.

PMAI是可以实现一句话AI生成原型图，是AI时代的AI原型图工具，可替代Axure。除了AI生成原型图功能外，还有PRD生成等产品经理常用功能

The world's largest digital library of pre-modern Chinese: an open-access digital library that makes pre-modern Chinese texts available to readers and researchers all around the world. The site attempts to make use of the digital medium to explore new ways of interacting with these texts that are not possible in print.

Erase image backgrounds and make a transparent background, using AI. Remove backgrounds from any photo online for free

悟智AI是一款全面的AI写作辅助工具和智能助手，涵盖多种常见写作场景。通过大模型技术的驱动，为您开启全新的写作体验。

The best Counter-Strike: Global Offensive wallpapers. Download them for free on CSGO wallpapers!

Keras documentation

秒出PPT提供创意精美高端PPT模板下载，AI辅助编辑PPT内容，支持自动排版、智能生成PPT

Looking for a free online ChatGPT detector to check an essay or research paper? 🎓 With this intuitive and accurate AI detection tool, you'll easily find out 🕵️ if a piece was written or generated.