Built by a developer, for developers
JsonifyTools is a free collection of practical browser-based utilities for JSON, Base64, API testing, hashing, diffing, schemas, PDF conversion, and everyday debugging.
Who We Are
JsonifyTools is built and maintained by a developer who wanted fast, clean, and trustworthy utilities for daily engineering work. The site is made with care for developers, QA testers, students, API builders, and security reviewers who need quick tools without installing large desktop apps.
Why We Built JsonifyTools
Developers repeatedly need to format JSON, decode Base64, compare text, generate UUIDs, test APIs, inspect JWTs, calculate hashes, and convert files. JsonifyTools brings those everyday tasks into one simple website with a consistent interface.
Our Browser-Based Processing Approach
Where technically possible, tools process data directly in your browser using client-side JavaScript. This includes common formatting, validation, encoding, decoding, generation, and scanning workflows. Some features, such as API testing, may communicate with endpoints that you choose to call.
Maintenance Commitment
We review and update JsonifyTools monthly to improve tool accuracy, fix UI issues, refresh content, add useful features, and keep the site aligned with modern developer workflows.
Contact
For feature ideas, bug reports, policy questions, or security feedback, visit the Contact Us page or email myfreetools99@gmail.com.