Bob's Multi Tool
Guides

Practical guides for browser utilities

Short support articles that explain the workflows behind the tools without turning the site into a generic blog.

Regex cheat sheet for practical JavaScript patterns

Common JavaScript regular expression patterns, flags, and matching notes for day-to-day development.

Cron expression examples and scheduling caveats

A compact guide to common five-field cron schedules, time zone behavior, and Quartz differences.

SEO meta tags that are worth generating

The metadata fields that usually matter for search snippets, social previews, and duplicate URL handling.

Iframe preview limitations developers should expect

Why some pages refuse to render in iframes and how to interpret that failure during responsive testing.

Placeholder text patterns for product design

How to use dummy content without hiding layout, accessibility, and product copy problems.

A practical workflow for browser-based developer utilities

A simple way to use local browser utilities while keeping sensitive payloads and production data safe.

Hash generator security notes

How to use MD5, SHA-1, SHA-256, and SHA-512 outputs without confusing hashing with encryption.

Text diff workflow for developers

A practical way to compare snippets, config changes, logs, and payload revisions.

JSON, YAML, and CSV conversion workflow

How to move data between common formats while preserving structure and validating output.

SQL formatting workflow

How to format SQL queries for review, debugging, and readable diffs.

Color conversion and contrast checking

Use HEX, RGB, HSL, and contrast ratios to keep interface colors readable.

Secure random generator workflow

How to generate passwords, tokens, UUIDs, and ULIDs for local development without overclaiming security.

Practical web and SEO utilities

A compact workflow for robots.txt, sitemaps, favicons, URL parsing, and social previews.

Network debugging tools workflow

How to use HTTP status checks and DNS lookups for public web debugging.

CSS utility workflow

Use CSS formatting, minification, unit conversion, and clamp values for layout work.

Text cleanup workflow

Sort, dedupe, count, preview, and normalize text before using it in code or content systems.

Developer Utility Guides | Bob's Multi Tool