Tools overview

>=3.8

Tools is for the small developer tasks that should take seconds, not a trip to a random website. Use it when you need to compare JSON, convert, encode, hash, or generate something quickly without leaving massCode.

The available tools are grouped by category:

Compare

JSON Diff

Compare two JSON documents side by side with validation, filters, and a tree diff for nested changes.

Text tools

Case Converter

Convert text between common casing formats such as camelCase, snake_case, kebab-case, and uppercase.

Slug Generator

Turn free-form text into a URL-friendly slug.

URL Parser

Split a URL into its protocol, host, path, query, and hash parts.

Line Break Normalizer

>=5.9

Remove hard wraps from copied terminal output while preserving Markdown lists, tables, quotes, commands, and code blocks. The same normalization is available from the Editor menu in Code and Notes.

Cryptography & Security

Hash Generators

Generate one-way hashes from text input.

HMAC Generators

Build keyed message authentication hashes from a secret and a message.

Password Generators

Generate random passwords with configurable character sets.

UUID Generators

Create unique identifiers for fixtures, payloads, and test data.

Encoders & Decoders

URL

Encode or decode URL strings safely.

Base64

Convert plain text to and from Base64.

JSON ⇄ TOML/XML/YAML

Transform JSON between common structured data formats.

Text ⇄ ASCII/Binary/Unicode

Convert text into different low-level or escaped representations and back.

Color Converter

Translate color values between supported formats.

Generators

JSON Generator

Build mock JSON payloads with typed fields for testing and demos.

Lorem Ipsum Generator

Generate placeholder words, sentences, or paragraphs.