Convert to/from Unix timestamps (epoch time).

Create and understand cron expressions.

View the current time in multiple timezones.

Encode and decode strings for URLs.

Encode and decode Base64.

Encode/decode HTML/XML entities.

Compute SHA hashes for strings.

Generate a keyed-hash message authentication code.

Generate strong passwords and test their strength.

Generate file permission codes for Unix systems.

Parse and inspect X.509 certificates.

Decode and inspect JWTs and visualize their expiration.

Look up HTTP status code meanings.

Get location info for an IP.

Calculate network ranges and broadcast addresses.

Look up common services and information for network ports.

Measure the response time of a website or endpoint.

Breaks down Dockerfile commands into layers.

Render dependency graphs from a docker-compose.yml.

Validate Kubernetes manifests.

Beautify and format JSON.

Beautify and format YAML.

Beautify and format XML.

Beautify and format HTML.

Compare two text files or snippets.

Beautify and format SQL queries.

Convert HEX, RGB, and HSL.

Generate harmonious color palettes.

Visually create and customize CSS gradients.

Check color contrast for accessibility (WCAG).

Convert between px, rem, em, and pt.

Convert between Bytes, KB, MB, GB, TB, PB.

Convert length, weight, and temperature.

Convert between YAML, JSON, and XML data formats.

Visually build cURL or Fetch requests.

Format Conventional Commit messages.

Count characters, words, and lines.

Convert text to different cases.

Test regular expressions against text.

Generate unique identifiers.

Create realistic fake data.

Generate placeholder text.

Generate QR codes from text or URLs.

Generate various types of barcodes.