Developer tools

Format, convert, parse and clean common web and text data directly in the browser.

JSON Formatter & Validator Free
Format, minify and validate JSON locally in your browser.
URL Encoder / Decoder Free
Encode and decode URL-safe strings locally in your browser.
Unix Timestamp Converter Free
Convert between Unix epoch time and readable dates.
User-Agent Parser Free
Parse browser, OS and device hints from a User-Agent string.
Cookie Converter Free
Convert cookie data between common header, JSON and Netscape formats.
Text Processor Free
Clean, sort, deduplicate and transform text locally.
Text to Table Converter Free
Convert delimited text into a table, CSV or TSV.
Private Browser Notes Free
Keep lightweight notes locally in your browser.