About ToolNestora

There are 47 tools today: image converting, compressing and resizing, word and character counting, case conversion, duplicate-line removal, JSON formatting, Base64 and URL encoding, password generation, and percentage and discount calculators. More are added over time. See all tools.

The tools are static web pages. When you pick a file or type text, the page processes it with your browser's own features and shows the result. No account is needed and your files and text are not sent to a server.

Results are shown as they really are, including when a compressed image comes out larger, and invalid input is explained instead of being silently changed. Every tool page lists its limits. Tools are tested mainly in Chromium-based browsers, so please tell us if something fails in another browser.