Tips, tutorials and updates
Convert CSV files into clean, valid JSON in your browser in three steps, with no upload and no software to install.
Get a clear, instant BMI result with category guidance and unit conversion handled for you.
Paste broken JSON into a browser-based formatter, find the exact syntax error, and fix it fast without uploading your data anywhere.
Pasting AI-output HTML directly causes chaos in headings, lists, tables, and bold text, and mixes in tags and entity characters. The standard approach is to keep the complete HTML source code, use a conversion tool to turn it into Markdown, check for leftovers, and then paste it into the target editor. Conversion is suitable for organizing AI documents, converting webpage content to Markdown, and unifying batch materials, but it is not suitable for scenarios that depend on complex styles or interactive components.
Merge PDF files in the right order without losing bookmarks, form fields, or signature validity — a step-by-step workflow for desktop, Mac, and mobile.
Format messy XML into a readable, indented tree in your browser, spot mismatched tags fast, and debug API and config files without uploading your data.
See what your height and weight mean for a healthy range, and learn the common misreads that lead people to the wrong conclusion.
Look up any ASCII character code in seconds, understand control characters and encoding differences, and fix invisible-character problems in your text files.
Draft faster without losing your voice: a step-by-step workflow for using an AI writing assistant, plus the editing checks that keep quality high.
Generate a complete favicon set from one square image, with the exact sizes browsers, iOS and Android expect.
Format and minify JavaScript in the right order, verify the build, and deliver code that is both readable for reviewers and small for browsers.
Turn messy copied web pages into clean, structured Markdown you can edit, search and publish, using a five-step browser workflow.
Browse all articles by topic
Hands-on tutorials broken down by tool: what problem each one solves, how to use it, and the pitfalls to avoid — with step-by-step instructions you can follow right away.
The details that double your efficiency: shortcuts, parameter combinations, batch-processing approaches and the habits that genuinely save time at work.
Technical deep dives into encoding, data formats and engineering practice — focused on principles and reasoning rather than recipes.
Free text processing, PDF tools, AI writing and more