Free tools

Pieces of Percy’s engine, free to run on any URL. No sign-up.

AI Search Visibility Checker

Fetches any page and checks it for the formats AI Overviews, ChatGPT, and Perplexity actually quote — with the fix for every gap.

Unix Timestamp Converter

Convert epoch time to a readable date and back — instantly. Seconds, milliseconds, UTC, ISO 8601, and the live current Unix time.

Case Converter

Change text to UPPERCASE, lowercase, Title Case, camelCase, snake_case and more — instantly, click to copy.

Lorem Ipsum Generator

Generate placeholder text by paragraphs, sentences, or words — instantly, with one-click copy.

Schema Markup Generator

Build valid JSON-LD structured data for Article, FAQ, Product, and more — copy it into your page to qualify for rich results.

Diff Checker

Compare two blocks of text and see exactly what changed — added, removed, and unchanged lines highlighted instantly.