Professional free online audio and video hardware testing tool. Test cameras, microphones, headphones, speakers and generate frequencies. Free, secure, runs completely in browser.

Free online batch image processing tool, supports JPEG, PNG, WebP, AVIF format compression, intelligent size adjustment, efficient batch processing, no need to upload to server, protects privacy and security.

Use Easy Chart to create pie charts, bar charts and line charts in minutes. Free, easy-to-use tools to help professionals visualize data easily.