PEM Base64 normalize

Client

Strip PEM headers and re-wrap Base64 at 64 cols.

-----BEGIN CERTIFICATE-----
\nMIIB\n
-----END CERTIFICATE-----

Nearby workflows on Toolcore

  • CSR PEM parse (basic)Extract subject CN from pasted CSR PEM if present. before you trust a token, digest, or key material in production.
  • JWT decodeInspect JWT header and payload as JSON in browser; signature not verified. before you trust a token, digest, or key material in production.
  • Hash identifierGuess digest type from hex length, Base64 shape, or bcrypt/Argon2 prefixes—heuristic, local only. before you trust a token, digest, or key material in production.
  • Base64 & URL encoderUTF-8 Base64 encode/decode and URL component encode/decode in one workspace—paste, transform, copy. before you trust a token, digest, or key material in production.

About this tool

Normalize whitespace in PEM blocks.

Common use cases

  • PEM Base64 normalize for quick local checks without uploading data.
  • Copy results into tickets, docs, or classroom notes.

Common mistakes to avoid

  • Unexpected input shape

    See the intro and how-to notes for accepted formats.

FAQ

Is processing local?

Yes—this runs entirely in your browser.

Agent prefill?

Use q or qb for the main text field when supported.

Related utilities you can open in another tab—mostly client-side.