Categories
Developer Tools
Format, inspect, compare, and decode common developer payloads. This collection groups fast, focused utility pages around one area of work.
85 tools
Apache Redirect Generator
Generate Apache .htaccess redirect rules.
API Endpoint Description Ideas
Generate API endpoint description drafts.
Basic Auth Generator
Generate HTTP Basic Authorization headers.
Binary Calculator
Run arithmetic operations on binary numbers.
BPMN Diagram Renderer
Render BPMN XML with a live process-diagram preview.
Bug Report Templates
Generate bug report template drafts.
Changelog Entry Ideas
Generate changelog entry ideas by feature.
Commit Message Ideas
Generate commit message suggestions.
Cron Expression Parser
Explain what a cron expression means in plain language.
CSP Header Generator
Generate a Content-Security-Policy header from directives.
CSS to React Style Object
Convert CSS declarations into a React inline style object.
cURL Command Generator
Generate cURL commands from API request details.
DNS Record Generator
Generate common DNS records for domains and subdomains.
Dockerfile Generator
Generate a production-ready Dockerfile template.
ER Diagram Generator
Turn a simple schema outline into a Mermaid ER diagram.
Feature Request Templates
Generate feature request template drafts.
Flowchart Generator
Turn step lists into Mermaid flowcharts.
Gitignore Generator
Generate .gitignore snippets for common stacks.
Graphviz Diagram Renderer
Render DOT syntax with a live Graphviz preview.
HTML Formatter
Pretty-print HTML with consistent indentation.
HTML Minifier
Compress HTML into a compact single-line snippet.
HTML Table Generator
Generate HTML table markup from headers and rows.
HTML to JSX
Convert HTML snippets into JSX-friendly markup.
HTTP Header Parser
Parse raw HTTP headers into structured JSON.
HTTP Status Lookup
Look up the meaning of a response status code.
IP Address Checker
Validate IPv4/IPv6 addresses and classify private ranges.
IPv4 Converter
Convert IPv4 to integer and binary representations.
IPv6 Compressor
Compress expanded IPv6 addresses to shorthand format.
IPv6 Expander
Expand shorthand IPv6 addresses to full format.
JavaScript Formatter
Pretty-print JavaScript snippets with readable spacing.
JavaScript Minifier
Minify JavaScript into a compact production-style snippet.
JavaScript Obfuscator
Compress and mangle JavaScript for harder-to-read output.
JSON Diff
Compare two JSON documents and list what changed.
JSON Formatter
Pretty-print raw JSON with configurable indentation.
JSON Minifier
Compress JSON into a single-line payload.
JSON to One Line
Minify JSON into a single-line string.
JSON to PHP Array
Convert JSON objects into PHP array syntax.
JSON to String
Escape JSON as a string literal for embedding in code.
JSON to TypeScript
Convert JSON into TypeScript type definitions.
JSON to XML
Convert JSON objects into XML markup.
JSON to YAML
Convert JSON objects into YAML format.
JSON Validator
Validate JSON and get a clean parse result.
JSX to HTML
Convert JSX snippets back into plain HTML markup.
JWT Decoder
Decode JWT header and payload without verifying the signature.
JWT Expiration Checker
Read JWT expiration and remaining time.
Mermaid Diagram Generator
Render Mermaid code with a live diagram preview.
MIME Type Lookup
Look up MIME type by file extension.
Mind Map Generator
Turn indented notes into a Mermaid mind map.
Nginx Redirect Generator
Generate Nginx redirect rules for one URL to another.
Org Chart Generator
Convert a hierarchy outline into an org chart.
PlantUML Diagram Renderer
Render PlantUML source with a live SVG preview.
Port Number Lookup
Look up common TCP/UDP port numbers and service names.
Project Scope Templates
Generate project scope template outlines.
Query String Parser
Parse search params into readable JSON.
React Style Object to CSS
Convert a React inline style object into CSS declarations.
Regex Escape / Unescape
Escape regex metacharacters or unescape escaped patterns.
Regex Tester
Run a regular expression against sample text and inspect matches.
Release Note Templates
Generate release note section ideas.
Semver Comparator
Compare two semantic version strings.
Sequence Diagram Generator
Build Mermaid sequence diagrams from message lines.
SOAP Formatter
Format SOAP XML with readable indentation.
SQL Formatter
Make messy SQL readable with keyword casing and line breaks.
SQL Minifier
Minify SQL into a compact single-line query.
SQL to CSV
Convert SQL INSERT rows into CSV.
SQL to HTML
Convert SQL INSERT rows into an HTML table.
SQL to JSON
Convert SQL INSERT rows into JSON.
SQL to XML
Convert SQL INSERT rows into XML.
SQL to YAML
Convert SQL INSERT rows into YAML.
SQL WHERE Builder
Generate SQL WHERE clauses from conditions.
String to JSON
Escape plain text as a valid JSON string literal.
Subnet Calculator
Calculate subnet details from IPv4 CIDR input.
SVG to JSX
Convert raw SVG markup into JSX-ready syntax.
Table to HTML Converter
Convert CSV or TSV table data into HTML markup.
Timestamp Converter
Convert Unix timestamps and ISO dates both ways.
Unix Permissions Converter
Convert chmod octal values and symbolic permission strings.
URL Parser
Break a URL into host, path, query, hash, and origin parts.
User Agent Parser
Parse browser, OS, device, and CPU from a user agent string.
UUID Batch Generator
Generate multiple UUIDs in one click.
UUID Validator
Validate UUID strings and detect version/variant.
WSDL Formatter
Format WSDL XML into readable, indented markup.
XML Formatter
Pretty-print XML with configurable indentation.
XML to JSON
Parse XML and return JSON output.
YAML Parser
Parse YAML and inspect the resulting structured data.
YAML Pretty Print
Format YAML with normalized indentation and ordering.
YAML to JSON
Convert YAML documents into formatted JSON.