Converters — Online Utilities

Create a QR code locally from text or a URL.

Convert time, length, temperature, and weight in one place.

Convert integers between binary, octal, decimal, and hexadecimal.

Encode Unicode text into a Base64 string.

Decode Base64 into readable UTF-8 text.

Safely encode text for a URL component.

Decode percent-encoded URL components.

Convert Unix seconds, milliseconds, and ISO dates.

Convert a YAML document into JSON.

Convert valid JSON into readable YAML.

Decode HTML entities into plain text without rendering markup.

Read a QR code from a local image without uploading it.