Extracting the Second Page From Multiple PDFs on macOS
How to batch-extract one page from many PDFs on macOS and merge the results into a single file, using Poppler's pdfseparate/pdfunite or pdftk.
Tag: cli
Migrating OTP Secrets Out of Google Authenticator
How to export TOTP secrets from Google Authenticator with the otpauth tool and import them into Authy, Aegis, or 1Password without losing account access.