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Providing access to millions of scientific documents from journals, books, series, protocols, reference works and proceedings. Science, technology, medicine, humanities & social...

Explore resources in libraries from one easy search box. By connecting thousands of libraries’ collections in one place, you can search for books, music, video, articles and more.

Chat and create. Ask real questions, get complete answers as if you had a research assistant, personal planner, and creative partner at your side whenever you search the web.

Quickly discover visually similar images from around the web. Upload a photograph from your desktop to Google Images and it will show you related images used on other websites.

One of the world's most voluminous search engines especially for academic web resources. More than 340 million documents and about 60% of the indexed documents for free.

It's not just about answering questions; it's about empowering you to do more, whether you're looking to summarize content, explore new topics, or even get a little creative.

Just upload an image and click the font you want to identify. WhatTheFont uses deep learning to search in a collection of over 230,000 font styles and find the best match for the fonts.

A web search engine for students and researchers. RefSeek searches more than five billion documents, including web pages, books, encyclopedias, journals, and newspapers.

A free search engine which allows you to search, preview and download millions of PDF files into your devices. PDF Drive library stays up-to-date and all files have cover photos.

Image recognition and reverse image search. Products applications that make your images searchable : computer vision, pattern recognition, neural networks, and machine learning.