Developer Tools
Developer utilities for JSON, CSV, XML, YAML, regex, Markdown, minification and timestamps.
16 tools in this category
JSON Minifier
Remove unnecessary whitespace from JSON to create compact payloads for tests, examples and configuration snippets. Paste formatted JSON and get a smaller one-line or compact representation.
HTML Formatter
Format HTML markup into readable nested structure for review, templates and documentation. Paste compact or mixed HTML and get clearer indentation for tags, attributes and nested blocks.
CSS Formatter
Format CSS code into readable indentation for review, debugging and documentation. Paste minified or messy CSS and get a clearer stylesheet with consistent indentation and line breaks.
SQL Formatter
Format SQL queries with readable line breaks and indentation for review, debugging and documentation. Paste compact SQL and get a clearer query layout with clauses separated for easier reading.
JSON to CSV Converter
Convert a JSON array of objects to CSV with delimiter, line-ending and UTF-8 BOM controls.
CSV to JSON Converter
Convert CSV to JSON with delimiter detection, quoted-field support and optional value type recognition.
XML Formatter
Validate and format XML or SVG with two-space, four-space or tab indentation.
XML Minifier
Minify XML or SVG while validating syntax and optionally removing comments.
YAML Formatter
Format YAML content for configuration files, CI pipelines and documentation examples.
Regex Tester
Test a regular expression against sample text and inspect matches before using it in code.
Markdown Preview
Preview Markdown as rendered content before publishing documentation, notes or README files.
HTML Minifier
Minify HTML by removing unnecessary whitespace for compact snippets and lightweight examples.
CSS Minifier
Minify CSS rules to reduce whitespace in small stylesheets, embeds and production snippets.
JavaScript Minifier
Minify JavaScript snippets by removing whitespace and comments for compact examples and embeds.
Unix Timestamp Converter
Convert Unix timestamps to readable dates and convert dates back to timestamp values.
HTTP Status Code Lookup
Look up HTTP status codes and understand what common responses mean during debugging.
What you can do here
Use developer tools when cleaning data, validating snippets, converting formats or preparing code for review. They are built for quick copy-paste workflows without installing a full IDE extension.
When to use these tools
Use developer tools when cleaning data, validating snippets, converting formats or preparing code for review. They are built for quick copy-paste workflows without installing a full IDE extension. The category is organized around tools that solve one task at a time, with direct inputs, clear results and related tools nearby for the next step.