CBOR Encoder & Decoder
Convert JSON objects to Concise Binary Object Representation (CBOR) hex strings or decode CBOR hex bytes.
How to Use CBOR Encoder & Decoder Online
Encode JSON/objects to CBOR hex strings or decode CBOR binary hex into human-readable JSON online. 100% free client-side CBOR converter.
1. Input Data
Paste or upload your data into the tool. We support a variety of formats depending on the specific tool requirements.
2. Process
The tool will instantly process your data. All calculations and conversions are performed locally in your browser for maximum speed.
3. Get Results
Once the processing is complete, you can copy the results to your clipboard or download them as a file.
What is CBOR (Concise Binary Object Representation)?
CBOR (RFC 8949) is a binary data serialization format designed for small code footprint and compact message size. It is widely used in IoT devices, WebAuthn/FIDO2 security keys, and binary data payloads.
Frequently Asked Questions
Is this CBOR Encoder & Decoder Online tool free to use?
Yes, this tool is 100% free to use with no limits, no sign-up required, and no hidden fees.
Is my data secure?
Absolutely. We prioritize your privacy. All processing happens locally in your web browser (client-side). Your data is never uploaded to, stored on, or sent to any external server.
Does it work offline?
Yes, Base64Decoder.app is a Progressive Web App (PWA). Once the site is loaded, you can continue using this tool even without an internet connection.
