ToolApp Online Toolbox
ToolApp is a free collection of online tools for everyday office work and developers. Browse tools by category—images, text, conversion, encoding, generation, reference tables, and queries. Some image processing runs locally in your browser to reduce privacy risk.
How to use
- Open the home page and browse tools by category
- Click the tool you need
- Follow the on-page instructions, then download or copy the result
FAQ
Is ToolApp free?
Yes. Tools are free for visitors; registration is not required.
Does it support Chinese?
Yes. You can switch between Chinese and English at the top of the page.
Which tools do not upload images?
For example, image resize and format conversion are processed locally in the browser—images are not sent to the server.