# CanDoYa > CanDoYa is a collection of free, 100% client-side browser tools. Tools run > entirely in the visitor's browser, with no uploads, account, or server-side > processing of the visitor's input. ## Markdown editions Every canonical HTML page has a clean Markdown edition for automated readers. For directory-style URLs, append `index.md`: `/tools/word-counter/` becomes `/tools/word-counter/index.md`, and `/` becomes `/index.md`. - [All Markdown editions in one file](https://candoya.com/llms-full.txt): English content from every canonical page. ## Key tools - [Word Counter](https://candoya.com/tools/word-counter/): Count words, characters, sentences, and paragraphs as you type. - [Character Counter](https://candoya.com/tools/character-counter/): Count characters with and without spaces, plus word and line totals. - [JSON Formatter](https://candoya.com/tools/json-formatter/): Format, beautify, and validate JSON with error reporting. - [Base64 Encode and Decode](https://candoya.com/tools/base64-encode-decode/): Encode text to Base64 or decode Base64 back to text. - [Color Contrast Checker](https://candoya.com/tools/color-contrast-checker/): Check color contrast ratios against WCAG AA and AAA. - [Reading Time Estimator](https://candoya.com/tools/reading-time-estimator/): Estimate how long text takes to read at common reading speeds. ## Site pages - [All Tools](https://candoya.com/tools/): Complete tool directory grouped by category. - [About CanDoYa](https://candoya.com/about/): What CanDoYa is and how to get in touch. - [Privacy Policy](https://candoya.com/privacy/): How CanDoYa handles data. - [Terms](https://candoya.com/terms/): Terms of use. ## Optional - [Sitemap Index](https://candoya.com/sitemap-index.xml): Machine-readable list of every canonical HTML page.