Unsplash is an online platform and open data set that offers a vast library of free, high-quality images. All images are CC0 licensed and free to use for personal and commercial projects.
No. Under the CC0 license, images can be used for free for commercial or non-commercial purposes, and attribution is not required, but it's advisable to check the licensing information for the specific photo.
The primary restrictions include: you may not sell the original image without substantial modification, and you may not upload the image to platforms that compete directly with Unsplash.
You can search with keywords, use visual search (image-to-image search), filter by multiple tags, or perform precise searches by photographer or filename.
Developers can use the official API to perform image searches, fetch images in various sizes (such as raw, full, and regular), and integrate them into their apps or websites.
After registering an account, use the 'Submit a photo' feature to upload high-resolution, watermark-free original works, fill in the relevant information, and wait for platform review.

Pixabay is a creative community offering millions of free, legally licensed high-quality images, videos, music, and vector graphics, helping creators tackle a wide range of design scenarios with ease.
VSCO is a cross-platform tool that combines professional image editing with a global creative community, delivering a one-stop solution for photographers and professional creators—from capture to edit to share. It offers a rich library of filters, advanced editing tools, and collaboration spaces to help you elevate your visual storytelling and showcase your work.