Code & text
Format JSON, test regular expressions, compare text, and build cron schedules.
A focused collection of tools for the smaller tasks that come with building software.
Snappo started in 2025 as a project by Noel Schmidt. Small development tasks can interrupt bigger ones: checking a JSON response, comparing two pieces of text, or converting a color. Snappo keeps those utilities together, so they are easy to find when you need them.
The project is open source. Its tools cover code, text, security, color, and CSS, with each utility focused on one job.
Browse the tool collectionFormat JSON, test regular expressions, compare text, and build cron schedules.
Choose password length and character sets, or adjust the bcrypt cost factor.
Convert color values, build palettes, and check foreground and background contrast.
Preview border radii and box shadows, then copy the corresponding CSS values.
Many Snappo tools process input in your browser, but behavior can vary by feature. Check the individual tool page before entering sensitive information.
Review the toolsPlease report vulnerabilities privately instead of opening a public issue. Email [email protected] with steps to reproduce and the affected tool.
Read the security policyContributions can start with a clear bug report or a useful tool idea. If you want to work on the code, the guide covers setup, commits, checks, and pull requests.
Share steps to reproduce it, what you expected, and what happened.
Describe the task it should solve and who would find it useful.
Fix code, refine the interface, or improve the documentation.
Explain the problem or proposal before starting a larger change.
Fork the repository, create a branch, and keep the scope clear.
Summarize the change and include screenshots for interface updates.