Convert units, image formats and PDF pages to JPG, all in one place. No signup, no watermark, no limits.
Quick reference for the conversions that come up most when listing products internationally.
| Conversion | Why it matters |
|---|---|
| 1 in = 2.54 cm | Sizing charts for apparel and accessories |
| 1 ft = 30.48 cm (~30 cm) | Furniture and large product dimensions |
| 30 cm ≈ 12 in | Reverse look-up for metric-only suppliers |
| 1 m = 3.28 ft | Shipping crate and pallet dimensions |
| Conversion | Why it matters |
|---|---|
| 1 kg = 2.2 lb | US carrier weight-based shipping rates |
| 1 lb = 0.45 kg (~454 g) | Listing weight for EU/UK marketplaces |
| 1 oz = 28.35 g | Cosmetics, jewelry and small parts |
| Conversion | Why it matters |
|---|---|
| 1 L = 33.81 fl oz | Beverage and liquid cosmetics labeling |
| 1 gallon = 3.79 L | Bulk/wholesale liquid listings |
| 250 ml ≈ 8.45 fl oz | Standard bottle size conversions |
| Conversion | Why it matters |
|---|---|
| 0°C = 32°F | Storage and shipping condition labels |
| 100°C = 212°F | Cooking and appliance product specs |
| 20°C ≈ 68°F | "Store at room temperature" guidance |
| Conversion | Why it matters |
|---|---|
| 1 sq m = 10.76 sq ft | Rugs, flooring and print/canvas listings |
| 1 acre = 0.405 hectare | Land and agricultural product listings |
JPG has no transparency: any transparent areas are filled with white. PNG and WebP carry through transparency that already exists in the source image - converting an opaque JPG to PNG or WebP won't add transparency that wasn't there.
Higher resolution renders each page at a larger canvas size, so text and fine details stay crisp in the JPG, at the cost of a bigger file and slower rendering.
Spend less time on manual content creation — VidyBack auto-generates and schedules product videos from your Shopify catalog.
See How VidyBack WorksRunning a store rarely means working with one clean, consistent set of files. Suppliers send dimensions in centimeters when your storefront shows inches. A customer in the US asks for a weight in pounds when your product data is in kilograms. These small mismatches show up constantly in product listings, shipping labels, and spec sheets, and getting them wrong erodes trust fast. The Unit Converter tab handles the conversions that come up most for stores selling across regions: length and weight for product dimensions and shipping, volume for cosmetics and beverages, and area for anything sold by the square foot or square meter.
Image formats create a similar headache. A product photo shot as a JPG might need to become a WebP for faster page loads, or a PNG when a marketplace listing needs a transparent background. Different platforms and ad networks have different format requirements, and re-exporting the same photo five different ways by hand adds up fast. The Image Format Converter tab batch-converts JPG, PNG, WebP and GIF files right in your browser, with a quality slider for the formats that support it, and downloads everything as a single ZIP.
And then there's the PDF problem. A supplier hands over a spec sheet or catalog page as a PDF, and you need one page of it as an image to drop into a listing, a deck, or a support article. The PDF to JPG tab renders every page of a PDF as a downloadable JPG image, so you don't need a separate PDF editor just to pull out a single page.
One thing worth knowing up front: converting a PDF page to JPG rasterizes it, turning the page into a flat image made of pixels. The text in that JPG is no longer selectable, searchable, or editable the way it was in the original PDF. That's exactly what you want when you need a picture of a page for a listing or a screenshot, but it's not a substitute for a PDF text extraction or OCR tool if you actually need the words back out again.
Related reading: if you're curious how much time editing and file prep really cost, read the real cost of ecommerce social media content in 2026. Ecwid sellers can also see how catalog files fit into posting in Ecwid social media marketing.
Open the PDF to JPG tab, drop in your PDF, and every page renders automatically as a thumbnail. Click Download JPG under any page, or use Download All Pages (ZIP) to get every page at once. Nothing is uploaded, the file is rendered locally in your browser using pdf.js.
JPG is a lossy format best for photos and universally compatible, but it has no transparency. PNG is lossless and supports transparency, which makes it ideal for logos and graphics, but file sizes are larger. WebP usually gives the smallest file size for a given visual quality and supports transparency too, and is accepted by all modern browsers and platforms including Shopify.
No. Unit conversion is pure arithmetic that runs instantly in your browser. Image format conversion uses the browser's built-in Canvas API, and PDF to JPG uses the pdf.js library loaded from a CDN to render pages locally. Your files never leave your device, and there is no signup, watermark or usage limit.
Yes. The Image Format Converter accepts multiple files at once and lets you download everything as a single ZIP. The PDF to JPG tool processes every page of a multi-page PDF and also offers a Download All Pages (ZIP) option.
