Developer Tools

Convert number base-X ⇐⇒ base-Y calculator

Step through sorting algorithms on your own data and compare swaps and comparisons.

If you already know what quicksort does in theory, the hard part is usually

Sort sequences with bitonic sort for learning and algorithm checks.

Run intro sort on sample values in the browser

Beautify JSON for cleaner review and debugging.

Format JSON into clean structured output.

Edit and clean JSON directly in the browser.

Validate JSON syntax and inspect parsed structure.

View JSON in a cleaner structured browser layout.

Sort JSON keys for stable output and diffs.

Test JSONPath expressions against pasted JSON.

Flatten or unflatten nested JSON objects.

Compare two JSON documents and inspect diffs.

Reviewing legacy files, preparing snippets for handoff, and making mixed

Format and beautify HTML for easier review and debugging

Format JavaScript for cleaner review and debugging.

Format and beautify CSS online for easier debugging, review, and cleanup

Format XML into readable structured markup for review and debugging.

Beautify your OPML code Online tool.

Minify your PHP code Online tool.

Format SOAP XML Messages for Easier Reading and Debugging

Format YAML for clearer structure and easier review.

Hex to ASCII Text Converter

Convert text to binary with encoding and delimiter control.

Convert text into hexadecimal values with flexible output.

Convert binary byte sequences into readable ASCII text online.

Decimal to ASCII Text Converter

Convert text characters into decimal code points or bytes.

Run bitwise operations and inspect results across multiple bases.

Calculate binary values and compare results across multiple bases.

Compute AND results across multiple number bases.

Bitwise OR bits operator Online tool.

Two’s-complement practice, low-level debugging, and quick complement checks in

Run XOR operations and review the result in multiple number bases.

Run NAND calculations online to verify bitwise logic and compare values fast.

Run NOR calculations online to verify bitwise logic and compare values fast.

Test left and right shifts and inspect multi-base results online.

Run XNOR operations and review the result in multiple number bases.

Some regular expressions are easy to read in plain text. Others stop being

Regular expressions are powerful, but small syntax mistakes can waste a lot of

Compare two code or text blocks online and highlight changed lines fast

Write, edit, and review HTML in a browser-based editor

Test jQuery selectors against pasted HTML.

Share Code Snippets Online Without Sending Screenshots or Files

Generate .gitignore files for programming language and framework

Turn code into a shareable image online for docs, tickets, social posts, and int

convert Docker run commands to Docker Compose YAML

Keyboard Event Viewer

Microphone Tester

Checking left, right, and middle clicks, verifying a new mouse, and

Checking whether a monitor is really running at the expected hz, comparing