There are many free image sites around the world.
Many sites require a fee or registration

You might be worried about security if you use a company PC.
At first, you might think, 'I can't pay for just one free photo!'

This is understandable.

this time, i introduce free and no registration images sites by genre that i usually used.

classic in Japan

Irasutoya

https://www.irasutoya.com/

PAKUTASO

https://www.pakutaso.com/

These images are used in every aspect of our lives.
not just websites.
For example, poster around town, presentation, YouTube, on the tv.
most Japanese people have seen these images.

both have a casual feel to them, so they may not be suitable for stylish designs.

icon

Google material symbols

https://fonts.google.com/icons
Google provides a large collection of icons that you can use.
These icons are designed for web use.
we can use these easily set cdn and input tags to source codes.

icooon-mono

https://icooon-mono.com/
This is another popular option.
we can change icon color on site.
if you need simple ions, this site and google material symbols are all you need.

illust

soco-st

https://tyoudoii-illust.com/
The images have a soft feel.
The illustrations allow you to change the theme color.
so, this is highly versatile.

tyoudoii-illust

https://tyoudoii-illust.com/
'Tyoudoii' is a Japanese word.
It translates to 'just the right feel' in English.
There are many illustrations of humans on this site.

photos

O-DAN

https://o-dan.net/
O-DAN allows you to search for free stock photos across 36 sites.

Devices from Design at Meta

https://design.facebook.com/toolsandresources/
This is a website from Meta.
This side has image of the digital devices such as smartphones and PCs.

Images are downloaded in ZIP format.
Therefore, you will need to download them using a PC.

advice

While these are free image sites, some images require attribution and may not be usable for commercial purposes.
i recommend to check carefully each sites rules before use.