About 123Tool.online

What is 123Tool?

123Tool.online is a collection of more than 200 free online tools organized into simple categories: images, videos, files, colors, date and time, mathematics, numbers, programming, text and lists, randomness, unit converters, security and web tools. Whether you need to resize a photo, count words, generate a password or convert units, there's a tool here for it — no installation, no sign-up, no cost.

Your privacy comes first

Almost every tool on this site runs entirely in your browser. When you "upload" an image, video or file to one of our tools, it never actually leaves your device — all processing happens locally using modern browser technology. That makes 123Tool safe to use with private photos, confidential documents and sensitive text.

Pin your favorites

Use a tool often? Click the “☆ Pin to home” button on any tool page and it will appear at the top of the homepage whenever you visit. Pins are stored only on your device.

Found a problem or missing a tool?

We're always improving. If a tool misbehaves or you'd like to see a new one added, let us know.