Developer workflow hub
Developer tools for JSON, URLs, Markdown, SQL, headers, and technical cleanup
This developer tools hub groups fast browser-based utilities that help with formatting, debugging, parsing, text cleanup, IDs, and practical web workflow tasks.
JSON Formatter
Format and validate JSON in your browser.
URL Parser
Break down URLs into host, path, query, and parts.
URL Encoder and Decoder
Convert URLs and query strings quickly.
SQL Formatter
Beautify SQL queries for reading and review.
Markdown Preview Tool
Preview headings, lists, emphasis, and code blocks.
HTTP Header Viewer
Inspect basic browser request information.
User-Agent Parser
Break down browser user-agent strings for troubleshooting.
UUID Generator
Generate unique identifiers for development and testing.
JWT Decoder
Inspect readable JWT header and payload sections.
Best next steps
Read practical guides
Use developer utilities as a bridge into deeper technical workflows.
Ethical Hacker Starter Kit
Move from free helpers into a stronger structured learning path.
Start Here
Jump into the best next pages across the site.
HMAC Generator
Generate keyed message digests for API signing, verification workflows, and development testing.
Linux Permission Calculator
Review chmod values and symbolic permissions for shell, deployment, Linux, and hosting tasks.
DNS Record Builder
Create clean starter DNS records for web, email, domain, and infrastructure changes.