Free Online Tool Guides
Step-by-step how-to articles for common online tasks — merge spreadsheets, compress images, convert data formats, and more. Free forever.
How to Merge Excel Sheets Online (Free, No Software)
Combine multiple Excel files or sheets into one workbook in seconds — entirely in your browser, no Microsoft Excel required.
Free Excel Formula Formatter Online — Beautify & Debug Formulas
Paste any Excel formula and instantly get a clean, indented, human-readable version — great for debugging nested IF, VLOOKUP and XLOOKUP formulas.
How to Compress PNG Without Losing Quality (Free, Online)
Reduce PNG file size by up to 80% without any visible quality difference — ideal for web pages, email, and app assets.
How to Convert XML to Excel (XLSX) Online — Free & Instant
Transform XML data into a clean Excel spreadsheet instantly — upload your XML, map the tags, and download a ready-to-use .xlsx file.
How to Remove Duplicate Lines from Text Online (Free Tool)
Paste any list, log file, or text block and instantly remove all repeated lines — case-sensitive or case-insensitive, in any order.
How to Reduce Image Size Without Losing Quality (2026 Guide)
Compress JPEG, PNG and WebP images for the web, email, or social media without any visible quality change — all in your browser in seconds.
XML vs JSON: Key Differences Explained (With Examples)
A plain-English comparison of XML and JSON — structure, syntax, readability, performance, and when to use each for APIs, configs, and data exchange.
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