Developer Tools

An online toolbox for developers worldwide, bringing together code formatting, encoding and decoding, data conversion, text processing, content generation and network debugging. From JSON and SQL formatting to Base64, timestamp conversion, regular expression testing and token counting, find practical tools for everyday development tasks.

Organize API data, compare text, generate test data or estimate the tokens in an AI prompt. Search by name or browse categories to find the tool you need. All tools are free, require no account and perform calculations locally in your browser. The token counter explains the counting method and estimation limits for each model option.