CatNav

Tencent's official electronic contract tool provides simplified and efficient contract management services, providing one-stop contract drafting, contract signing and post-signing management, meeting the needs of the whole industry and multi-scenario electronic contract signing and management. The whole process of contract signing is stored to ensure that the signing is safe and legally effective, so that you can carry trust every time you sign a contract.

The nationally recognized electronic contract signing platform provides users with online electronic signature and signature services based on real-name identity authentication, and provides enterprise users with services such as smart contract management and data storage.

Based on blockchain technology and combined with independent invention patent technology, the domestic professional blockchain electronic contract signing platform innovates the "blockchain judicial electronic signing" model, mainly for banks, securities, operators, e-commerce, logistics, finance, education and training, supply chain, HR, leasing, medical care, real estate, government affairs and other enterprises and government agencies.

It is committed to providing medium and large organizations with integrated solutions for electronic signature and printing control, integrating digital identity and data storage capabilities to help build a trusted digital foundation, supporting the integration of various management software, expanding application scenarios as needed, and helping the digital transformation of the whole business process.

Provide enterprises with intelligent management services for the whole life cycle of electronic contracts, help enterprises reduce costs and increase efficiency, and complete real-time signing and online intelligent management of electronic contracts anytime and anywhere, so as to ensure their safety, legal compliance, tampering, and lifelong service guarantee.

A necessary translation website for foreign trade work, an online translation website that is better than Baidu Translation, the only drawback is that domestic access is very slow.

CatNav online toolbox platform, providing picture tools, PDF conversion tools, data conversion tools, life and entertainment tools, educational tools, text tools, document conversion tools, development tools, video tools, and other online services, so that you work and life are worry-free.

只需打开网页，手机、电脑、平板... 跨设备快速传文件、传文本、传屏幕、传实时视频，64T超大文件传输，无限速无扫描。

Provide instant and free 200 language translation services, including text translation, document translation, image translation and other functions.

世界著名的免费摄影图库，免费下载超过1143715高质量图片素材商业使用. 遵循CC0协议向全世界分享你的摄影作品。

A website that offers free high-quality images, founded in 2013. Users are free to download and use these images, including for commercial use, without paying a fee or applying for a license. It covers a variety of topics such as nature, cities, people, etc., and is an important resource for creative workers such as designers, bloggers, and more.

A non-profit library of PNG transparent background images, providing a huge number of high-quality PNG images, specially designed for designers to search and share high-quality backless images and clipart, users can download and use for free without registration!

Upload pictures to find fonts, which can recognize Chinese, English, Japanese and Korean, calligraphy and other fonts.

A powerful online tool that automatically removes the background of an image, you only need to upload an image, automatically help you remove the background and leave the subject, and you can get a photo with a transparent background in a few seconds.

The web version parses online or local files in TTF, WOFF, OTF and other formats. You can quickly view the icon style in the font icon file, and preview it online without installation.

It is a collection of more than 20 commonly used PDF tools, which are completely free and unlimited, and can be used anytime, anywhere.

Free online conversion site that converts all kinds of files, videos, audios, photos and more.

Millions of free HD images in high quality and commercially available.

A platform that provides free vector icon downloads, with more than 3 million icon assets, covering a variety of themes and styles, suitable for various application scenarios. Users can download, modify and use these icon assets for free, and can also upload their own icon assets to share with other users. The platform has powerful search and filtering functions, allowing users to easily find the icon materials they need.

A free text-to-speech tool, also an online text reader that converts text to speech, it supports more than 100 languages and multiple voice styles

Online font generation website, you don't need to install any fonts to directly generate WordArt images

A free online website helps remove vocals from songs by creating song files. Despite the complexity and high cost of this service, you can still use it completely free of charge, and the processing usually takes around 10 seconds.

A material website that does not cut out background pictures, all images on the site have been removed from the background, no need to cut out again, and this website has a variety of popular and commonly used classification resources, and there are currently several 28,000 transparent PNG background images for free download.

The byte calculator makes it easy to convert between different unit bytes