UUID / GUID Generator

Generate RFC-compliant Universally Unique Identifiers (v1, v3, v4, v5, v7, NIL, MAX).

Generated Results

Base64 Encoder / Decoder

Convert plain text to Base64 and vice-versa with RFC 4648 compatibility options.

0 chars | 0 bytes
0 chars | 0 bytes

Hash & Checksum Generator

Calculate live cryptographic hashes, checksums, and HMAC signatures.

0 chars | 0 bytes

JSON Formatter & Validator

Prettify, minify, sort, escape, and validate JSON strings with error line pointer.

0 chars
0 chars

HTML Entity Encoder & Escaper

Encode characters to HTML entities, decode entities back, or escape special HTML characters.

0 chars
0 chars

CRON Expression Parser

Parse CRON expressions into plain English, view field breakdowns, and calculate upcoming execution times across year boundaries.

Human Description
Parsing...
Field Breakdown
FieldExpressionParsed Allowed Values
Next 10 Scheduled Executions
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