tutorial
11 articles about tutorial.
How to Make WhatsApp Stickers From Photos, GIFs and ClipsMake WhatsApp stickers as 512x512 WebP files under 100 KB (still) or 500 KB (animated), with a tray icon and ZIP. Steps, limits and fixes.2 November 2026 · 10 min read
Lossless Video Trimming: Fast Cut vs Precise CutLossless video trimming copies your footage without re-encoding, but cuts snap to keyframes. See when to pick Fast or Precise mode, with real numbers.30 October 2026 · 10 min read
Does an Online Tool Upload Your File? A 2-Minute TestDoes an online tool upload your file? Use the browser's Network tab and an offline test to check any video, PDF or image tool in two minutes.12 October 2026 · 6 min read
Resistor Color Code Chart: How to Read 4, 5 and 6 BandsResistor color code chart with worked examples: read 4, 5 and 6-band resistors, find which end to start from, and decode 8.2k vs 82k correctly.9 October 2026 · 9 min read
Base64 Encoding Explained: What It Is and When to Use ItBase64 encoding turns binary data into text so it can travel through text-only channels. How it works, where it's used and the mistakes developers make.14 May 2026 · 8 min read
Regex Cheat Sheet: Patterns Every Developer NeedsA practical regex cheat sheet: character classes, quantifiers, groups, lookaheads and the 12 most useful everyday patterns, with live examples.14 May 2026 · 8 min read
How to Merge PDFs Without Uploading Them Anywhere (2026 Guide)Merge PDFs without uploading them to any server: combine invoices, contracts, bank statements and scanned IDs into one file, right in your browser.11 May 2026 · 9 min read
PNG vs JPG vs WebP vs AVIF: Which Format in 2026?PNG vs JPG vs WebP vs AVIF: a practical 2026 guide with file-size benchmarks, browser support and when each format wins.11 May 2026 · 9 min read
Send a WhatsApp Message Without Saving the Number (2026)WhatsApp without saving number: three reliable ways to message someone without adding them as a contact, using wa.me links, QR codes and click-to-chat buttons.8 May 2026 · 8 min read
Cookie Consent in 2026: What Site Owners Must DoConsent Mode v2, IAB TCF v2.2 and the EU Digital Markets Act are all live. Here's what site operators must ship to stay compliant and keep AdSense revenue.5 May 2026 · 8 min read
Format JSON Without Uploading Data: A 2026 GuideFormat JSON without uploading it: most online formatters send your data to a server, which is risky for production data. Do it in your browser instead.3 May 2026 · 8 min read