PEM Viewer
Inspect complete pasted PEM blocks locally: labels, decoded DER byte counts, and bounded DER structure facts.
This tool handles input and primary processing in your browser and is designed not to send the input to QuickKit’s server.
Avoid live production secrets; use dummy or masked data where possible. Data handling details
Block summary
How it works
Paste one or more complete PEM blocks. The viewer accepts standard BEGIN/END framing with padded Base64 and reports the label, decoded byte count, and whether the decoded bytes form one bounded definite-length DER value. A PEM label alone is not treated as proof of the payload type. This local viewer does not decrypt, verify, send, save, or put pasted material in a URL. Limits: 128 KiB text, 16 blocks, 64 KiB decoded bytes per block, DER depth 24, and 2,048 DER nodes.