Cong Cache

Cong Cache is an all-in-one offline toolbox designed for developers, writers, students, QA testers, and anyone who works with text, code, or structured data every day. Instead of opening countless browser tabs or relying on online utilities, keep your essential tools in one fast, lightweight app that works entirely on your device. Every operation runs locally, keeping your information private while delivering instant results without requiring an internet connection.

Format text by trimming whitespace, sorting lines, removing duplicates, or cleaning messy content in just a few taps. Convert text between uppercase, lowercase, title case, camelCase, snake_case, PascalCase, and other popular styles. Encode or decode Base64, URL, and HTML text whenever you need quick transformations.

Generate secure hashes, UUIDs, and strong passwords instantly. Convert timestamps, format numbers, and switch between different numeric bases and units with reliable precision. Transform JSON, YAML, and CSV data while validating and formatting content for improved readability.

Experiment with regular expressions using the built-in Regex Lab, where live matching helps you test patterns against sample text. Compare two versions of text side by side with Text Diff to quickly identify additions, removals, and modifications. Convert colors between popular formats, inspect values, and verify accessibility contrast ratios. Decode JSON Web Tokens offline to inspect payloads without uploading sensitive information.

Powerful search makes every utility easy to find from a single screen, helping you jump directly to the tool you need. Whether you are debugging an API response, cleaning spreadsheet exports, preparing documentation, generating identifiers, or analyzing structured data, Cong Cache keeps practical utilities ready whenever inspiration or work strikes.

No accounts. No subscriptions. No advertisements. No cloud processing. Just a clean, distraction-free experience focused on speed, privacy, and productivity. Cong Cache delivers dependable offline utilities that help you accomplish everyday tasks efficiently, wherever you are, whenever you need them.