Categories

Tools for changing, counting, generating, and rearranging written text. Use them for drafts, mockups, classroom activities, and quick formatting fixes.

Converters for text and binary values that need a transport-friendly or context-specific representation, including Base64 images, URL components, HTML entities, and readable slugs.

Practical browser-side helpers for generating passwords and shared secret material or calculating cryptographic digests, with clear boundaries between each operation and wider security practice.

Browser utilities for inspecting structured data, comparing text changes, testing patterns, previewing Markdown, converting timestamps, and preparing small code snippets.

Small visual utilities for generating palettes, picking colour values, creating static QR codes, resizing and compressing images, and tracing simple raster graphics into scalable SVG paths locally.

Focused calculations and conversions for everyday dates, measurements, comparisons, and random selection, with formulas and worked examples where they help verify a result.

Browser-local document tools for combining and organising PDF files without uploading their contents to a server.