Frequently Asked Questions

DeveloperLeap is a suite of free, open-source developer tools designed to run entirely in your browser. Our tools include JSON formatters, Base64 encoders, JWT decoders, and password generators. No server-side processing ensures complete privacy.

Yes! Absolutely all tools on DeveloperLeap run entirely locally in your browser using client-side JavaScript. No data is ever sent to our servers. We never store, log, or transmit any of your sensitive input.

No. All developer tools are completely free and require no account or sign-up. Just open a tool and start using it immediately.

Yes! All tools on DeveloperLeap are completely free to use, and always will be. There is no premium tier, no paywalls, and no hidden fees.

The REST Client makes HTTP requests directly from your browser using the Fetch API. The requests go directly from your local browser environment to the target server — no proxy or middleware is involved.

Yes, DeveloperLeap provides a fast, client-side JSON Formatter that beautifies, minifies, and validates JSON strings in milliseconds. It highlights errors and allows custom indentations.

Using DeveloperLeap's Base64 Encoder/Decoder, you can reliably safely process text because the encoding happens locally in your browser without ever sending the data to the cloud.

Most tools work offline natively once the web page is loaded since they run entirely in-browser. However, tools like the REST Client require internet access to make API requests to external servers.

DeveloperLeap works flawlessly in all modern browsers including Chrome, Firefox, Safari, Edge, and Brave. We recommend using the latest browser version for the best performance.

The Hash Generator utilizes the Web Crypto API (crypto.subtle.digest), which is a native browser API that produces cryptographically correct hashes. Results are identical to standard command-line tools like sha256sum.