Developer Productivity

Faster day-to-day work — editors, shortcuts, local tools, and habits that cut friction.

SOAP & WSDL XML Formatter: How to Format, Validate and Debug SOAP Online

Published on October 6, 2026 by Hasnain

Format SOAP envelopes and WSDL files online. Pretty print, validate, check namespaces and test XPath free in your browser. No signup.

Frontend Development
Developer Productivity

EML vs MSG: What's the Difference?

Published on October 5, 2026 by Hasnain

EML vs MSG explained: what each format contains, which to save, how to convert MSG to EML, and how to preview EML files free in your browser.

Frontend Development
Developer Productivity

What Is MJML? Responsive Email Markup Explained

Published on October 3, 2026 by Hasnain

MJML is an open-source markup language that compiles to responsive, table-based HTML email. Learn how it works, its tradeoffs, and how to try it free online.

Frontend Development
Developer Productivity

Best Free HTML Viewer in 2026: What Actually Matters

Published on October 2, 2026 by Hasnain

Best free HTML viewer in 2026 — what "best" should mean, a 3-step test for any tool, and a free no-signup viewer with live preview, panels mode, and Inspect.

Frontend Development
Developer Productivity

How to Compare Two HTML Files Online and Find the Differences

Published on September 30, 2026 by Hasnain

Compare two HTML files or snippets and see exactly what changed — line and word-level highlights, side-by-side or unified view, free in your browser.

Frontend Development
Developer Productivity

How to Inspect HTML Elements Online From a Live Preview

Published on September 29, 2026 by Hasnain

Click a node in the live preview and jump straight to that markup in the editor — inspect HTML without opening DevTools.

Frontend Development
Developer Productivity

How to Match Spaces and Whitespace in Regex

Published on September 28, 2026 by Hasnain

Learn how to match spaces and whitespace in regex. Compare \s vs a literal space, use [ \t], allow spaces, trim, and collapse runs with examples.

Frontend Development
Developer Productivity

Convert JSON to XML Online (and XML to JSON)

Published on September 26, 2026 by Asad

Learn how to convert JSON to XML online and XML to JSON with easy methods, examples, key differences, and practical tips for accurate data conversion.

Developer Productivity

How to Open an HTML File on a Chromebook

Published on September 25, 2026 by Hasnain

Open, view, and edit any HTML file on a Chromebook — no install needed. Step-by-step methods for the Files app, browser drag-and-drop, Linux terminal, and a free online HTML viewer.

Frontend Development
Developer Productivity

How to Send a Test Email With Mailpit, ngrok, and Email Viewer

Published on September 15, 2026 by Hasnain

Set up a free local email testing inbox with Mailpit and ngrok, then send test emails from Email Viewer to check headers, HTML, and multipart structure before a real send.

Developer Productivity

$How to Match Newlines and Line Breaks in Regex (\n, \r, \r\n Explained)$

How to Match Newlines and Line Breaks in Regex (\n, \r, \r\n Explained)

Published on September 13, 2026 by Hasnain

Learn how to match newlines in regex with \n, \r, \r\n, the s (dotAll) and m (multiline) flags, and why JavaScript's $ matches before a final newline even without m. Test live.

Frontend Development
Developer Productivity

How to Preview HTML Code Online Without Downloading Software

Published on September 1, 2026 by Hasnain

Preview HTML code online instantly with our free HTML previewer tool. Run HTML code online, no downloads needed. Open your HTML file online now.