Guides
Everyday developer utilities
Base64 and Unicode, escaping for JSON, SQL, HTML and shell, sortable identifiers, and reading a token you have no reason to trust yet.
Start hereBase64 is not encryptionBase64 is a transport encoding with no key and no secrecy. What the padding means, why base64url exists, the Unicode trap in btoa, and when to reach for a hash instead.Tools these guides use
- UUID GeneratorRandom v4 or time-sortable v7, up to 100 at once.
- Timestamp ConverterEpoch to date and back, in seconds or milliseconds.
- Base64 EncoderEncode and decode, including text btoa chokes on.
- URL EncoderPercent-encode a value, a whole URL, or a form field.
- Hash GeneratorSHA-1 through SHA-512, all at once, as you type.