CPF
Generate valid CPFs with one click, choosing the quantity, starting digit, and state of the CPF.
Welcome toThe Developer's Swiss Army Knife
Bringing various useful tools for developers in one place.
Available Tools
CNPJ
Randomly generate a valid CNPJ or validate an input CNPJ with formatting options.
Timestamp Converter
Convert timestamps to date and time and check the elapsed time from the given timestamp.
Password Generator
Random password generator with multiple optional requirements.
Format JSON
Paste your JSON, and we'll format it for you. We also generate types or interfaces automatically.
