📚 The Blog
Guides, tips and how-tos for getting the most out of free online tools.
Convert height between centimetres and feet/inches easily — the conversion, quick reference points, and a free height converter.
Convert CSV to a Markdown table free online for READMEs, GitHub issues and docs — and turn Markdown tables back into CSV. Quick guide.
CSV all in one column, broken characters, or numbers turned to dates? Why CSVs open wrong in Excel and the fixes — including converting to .xlsx.
Excel (.xlsx) vs CSV (.csv) explained — formatting, formulas, size and compatibility — plus when to use each and how to convert between them.
Number the pages of any PDF in seconds, right in your browser — no software, no signup, and your file never leaves your device.
Stamp DRAFT, CONFIDENTIAL or your name across every page of a PDF for free — privately, without uploading your document anywhere.
Remove unwanted pages from any PDF for free — blank scans, cover sheets, extra copies — privately in your browser.
Build a professional color palette from one color using complementary, analogous and triadic harmony — with free palette, shades and contrast tools.
Halve your printing with a 2-in-1 (N-up) PDF layout — fit two pages on one sheet, free and in your browser.
How linear-gradient() works, every direction keyword, and ready-to-use gradient code — plus a free live CSS gradient generator.
Most free PDF tools upload your file to their servers. Here's how to merge, split, number and watermark PDFs entirely in your browser.
BMR, TDEE and the calorie target for losing or gaining weight — explained simply, with a free calculator.