Online Tools for Software Developer

Create a QR code locally from text or a URL.

Format, validate, and inspect JSON in your browser.

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

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

Count words, characters, lines, and approximate sentences.

Convert uppercase, lowercase, title case, and code naming styles.

Sort lines, remove duplicates, trim whitespace, or remove empty lines.

Replace literal text with optional case sensitivity.

Turn a title into a clean lowercase URL slug.

Inspect token headers and payloads without uploading them.

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.

Create cryptographically random version 4 identifiers.

Convert Unix seconds, milliseconds, and ISO dates.

Check JSON syntax and report parsing errors.

Remove unnecessary whitespace from valid JSON.

Compare JSON structures and identify changed fields.

Compare two texts line by line.

Test JavaScript regular expressions in a timed worker.

Find the meaning of commonly used HTTP status codes.

Build a small Node.js or Python container template.

Generate a Deployment and ClusterIP Service manifest.