Image, Barcode & E-Commerce Guides
Free, practical guides on bulk image conversion, WebP optimization, barcode standards, social media sizing, and e-commerce image best practices for Shopify, Daraz and Amazon sellers.
How to Create Product Barcodes — UPC, EAN & Code 128 the Free, Bulk Way
How to generate product barcodes free — UPC-A, EAN-13, and Code 128 explained, where the number comes from, and how to bulk-generate hundreds from Excel. No signup.
UPC vs EAN: Which Product Barcode Do You Actually Need?
UPC vs EAN explained simply: 12 vs 13 digits, why EAN-13 contains UPC-A, the country-prefix myth, and exactly which one you need to sell in the US, Europe, or on Amazon and Daraz.
Code 128 Barcodes Explained: Subsets, Checksums & When to Use Them
A practical Code 128 guide: what it is, the A/B/C subsets, the mod-103 checksum, Code 128 vs Code 39, GS1-128 for logistics, and when to use it instead of a UPC or EAN.
AI Background Removal for Product Photos: The Free 2026 Guide
How to remove backgrounds from product photos with AI in one click — free, no Photoshop. Get studio-quality transparent PNGs for Shopify, Daraz, and social ads.
Daraz Product Image Size & Bulk Optimization: The Complete 2026 Seller Guide
Exact Daraz product, banner & store image dimensions plus white-background rules — and a free resizer to bulk-convert your entire catalog at once. No signup.
How to Convert JPG to WebP: The Complete Free Guide
Batch-convert JPG to WebP for faster Shopify & WordPress sites — up to 80% smaller with no visible quality loss. Step-by-step, plus a free in-browser tool: no upload.
WebP vs JPG: A Complete 2026 Comparison
WebP is 25–35% smaller than JPG at the same quality. See the file-size data, browser support, and exactly when to use each — plus convert free in your browser.
Best Image Format for Shopify Stores in 2026: The Complete Guide
Shopify product images in WebP can be up to 80% smaller — faster pages and better Core Web Vitals. See real comparisons and batch-convert your whole catalog free.
Social Media Image Sizes 2026: Every Platform, Every Format
Exact 2026 image sizes for Instagram, Facebook, LinkedIn, TikTok, X, YouTube & Pinterest — plus a free resizer that outputs every size in one ZIP. No signup.
How to Batch Convert Images Online: The Complete Guide
Learn how to batch convert hundreds of images online in minutes. Convert JPG to WebP, PNG to JPG, and more. Free bulk image converter with ZIP download.
How to Bulk Convert Images to WebP for Shopify
Step-by-step guide to bulk convert your Shopify product images to WebP. Cut file size up to 80%, speed up your store, and improve Core Web Vitals — without coding.
WebP vs AVIF: Which Should You Use in 2026?
WebP vs AVIF compared: file size, quality, browser support, and speed. Learn which next-gen image format to use in 2026 for the best Core Web Vitals and page speed.
How to Convert a PDF to Images (JPG or PNG) — Free and Private
How to convert a PDF to images free: every page to JPG or PNG, downloaded as a ZIP, entirely in your browser — no upload, no signup. Plus when to pick JPG vs PNG and the right resolution.
How to Track Link Clicks with a Free URL Shortener
How to track link clicks with a free URL shortener: what short-link analytics measure, how to attribute clicks by channel, custom short codes, and pairing links with QR codes.