Software

Five free AI tools cut out image backgrounds in one click. Compare the web apps, Canva, Windows Paint, and Photoshop on quality, free limits, and privacy.

Remove the password from a PDF you can already open, using Adobe Acrobat, the free Chrome or Edge print trick, or macOS Preview — no cracking involved.

Reopen a closed Chrome tab with Ctrl+Shift+T, the right-click menu, or the History list, plus how to restore a whole window and set tabs to return.

Three ways to use AI in Excel: paid Copilot writes formulas and analyzes data, free Analyze Data finds trends, and ChatGPT explains any formula.

ERR_CONNECTION_REFUSED means the server turned your browser away. Check if the site is down, then flush DNS and clear proxy, firewall, and hosts-file blocks.

Excel keeps freezing or showing not responding on Windows? Fix it fast: Safe Mode, add-ins, hardware acceleration, Office repair, and heavy files.

Recover a Word file after a crash or a missed save with the Document Recovery pane, Recover Unsaved Documents, AutoRecover .asd files, and version history.

Split a PDF or pull out single pages for free using Edge or Chrome's Print to PDF, Adobe's online Split tool, or a web app, with the upload-privacy caveat.

ChatGPT, Claude, NotebookLM, Copilot, and Acrobat can each summarize a PDF. Here are the exact steps, page and size limits, and a key privacy caveat.

Insert a table in Google Docs by dragging the grid, add or delete rows and columns from the right-click menu, and format borders and shading with Table options.