WhatsApp Business catalog image size has an official floor of 500 × 500 pixels, and that floor is exactly why so many supplier catalogues look like a photocopy of a photocopy on the buyer's phone. 500 × 500 is the size at which Meta will accept your image. It is not the size at which an overseas buyer can read the dimension you labelled on it.
For a lot of export sales teams the WhatsApp catalogue has quietly become the second storefront — the thing a buyer scrolls at 11 pm before deciding whether to send an enquiry. It deserves the same treatment as an Alibaba listing, and it takes about forty minutes per SKU to get right. Here is the specification, the template, and the mistakes that cost enquiries.
The official WhatsApp Business catalog image size and specs
Meta's catalogue image specification is the binding one, because a WhatsApp catalogue is a Meta commerce catalogue underneath:
| Item | Meta's stated specification |
|---|---|
| Minimum resolution | 500 × 500 pixels |
| Recommended for best quality | 1200 × 628 pixels |
| Accepted formats | JPEG, GIF or PNG |
| Maximum file size | 8 MB |
| Images per product | Four or more recommended |
| Main image | Should be clear and show the entire product |
| Prohibited on the image | Text overlays, calls to action, promo codes, watermarks, and time-sensitive information such as temporary price drops |
Two of those lines get ignored constantly. The first is the minimum: teams read "500 × 500" as a target and upload a 500-pixel file, which is a legibility disaster the moment the product has any detail. The second is the prohibition on text overlays and watermarks — the same rule that makes a price-stamped tile look amateur also puts your catalogue at odds with the platform's own guidance.
The legibility test that actually decides your image size
Acceptance and legibility are different thresholds, and only one of them affects your enquiry rate. The WhatsApp Business catalog image size that wins enquiries is set by the second one.
A working field rule — not a platform spec, so treat it as a rule of thumb rather than a requirement: any label you burn onto a product image should stand at least 3% of the image's longest side. At 500 px that means a 15 px label, which is unreadable. At 1,600 px it means a 48 px label, which reads comfortably on a phone held at arm's length.
The practical test takes ten seconds. Open the image on your own phone at normal viewing distance. If you cannot read the smallest dimension label without pinching to zoom, neither can a buyer who is scrolling through six suppliers. Upload the largest clean square you have — 1,600 px or more on the long side — and let Meta downsample it. Downsampling costs you nothing; uploading small costs you the detail permanently.
Catalogue image or chat photo: two different pipelines
This is the part that trips up sales reps, because the same photo behaves differently depending on how it reaches the buyer.
| Path | What happens to the file | Best used for |
|---|---|---|
| Catalogue item image | Governed by Meta's catalogue specification: at least 500 × 500, up to 8 MB, JPEG/GIF/PNG | The browsable product list a buyer scrolls |
| Photo sent in chat, standard quality | WhatsApp's default, optimised to send faster and use less data | A quick look, a colour reference |
| Photo sent in chat, HD quality | Clearer than standard, uses more data; you cannot upgrade a photo you already sent — you have to send it again in HD | Spec diagrams, dimension frames, anything with numbers on it |
| Document | Documents can go up to 2 GB, well past the 16 MB ceiling that applies to photos, videos and voice messages | Multi-page spec sheets, quotations, drawings |
The operational rule that falls out of this: anything with a number on it goes as HD or as a document, never as a standard-quality chat photo. A dimension diagram sent at standard quality is the single most common way a correct measurement turns into an argument three weeks later.
The per-SKU catalogue template
Four images and five short fields. Fill them the same way for every SKU — same WhatsApp Business catalog image size, same frame order — and the catalogue starts doing the pre-sale work for you.
Image 1 — the tile
Square, plain background, product filling most of the frame, no text of any kind. This is the thumbnail a buyer judges in half a second, so it carries no information other than "what is it and does it look well made."
Image 2 — the dimension frame
The same product, square-on, with the measured dimensions labelled: overall width, depth and height, plus the one dimension your category argues about — seat height for chairs, internal depth for cabinets, thickness for panels, bore for fittings. Label in millimetres and inches together if you sell into the US.
Image 3 — the packing frame
Carton or crate with external dimensions, units per carton, gross and net weight. This is the image that gets your quotation compared correctly against a competitor's, because freight is where cheap quotes stop being cheap.
Image 4 — the finish or detail frame
The joint, the weld, the hardware, the surface. Whatever a buyer would touch first if they were standing in front of it.
The five text fields
- Name — category first, model second: "Bar stool, powder-coated steel, BS-420", not "BS-420".
- Price — put it in the price field, never on the image. Prices change; images live forever in forwarded chats.
- Description — three lines: material and finish, the key dimension set, MOQ and lead time. A buyer scanning on a phone reads three lines and stops.
- Link — the product page or spec sheet, not your homepage.
- Item code — the same SKU you use in your quotations and packing lists, so nothing gets lost between the catalogue and the PI.
Curate 30, not 500
WhatsApp's own commerce documentation defines the shape of the sales conversation: a multi-product message presents a curated selection of up to 30 products organised into sections, and a customer can add up to 99 units of a single catalogue item to a cart.
Thirty is the number to design around. Building a 400-SKU catalogue and sending the whole thing is not merchandising, it is a data dump. Build sections a buyer recognises — by room, by material, by container load — and send the 30 that match what they asked for. Suppliers who do this get a shortlist reply; suppliers who dump the full catalogue get silence.
If you already maintain one for trade shows, the same discipline applies as in how to make a wholesale line sheet: a curated subset with complete specs beats an exhaustive list with thin ones.
Five mistakes that cost enquiries
- Uploading at the minimum. 500 px is an acceptance floor. Any product with a texture, a weld or a printed label needs several times that.
- Burning the price onto the image. It goes stale, it contradicts your price field, and it runs against Meta's guidance on text overlays and promo content in catalogue images.
- One lifestyle photo per SKU. A styled room shot tells a buyer nothing about size, joint quality or packing. Four images is the recommended minimum for a reason.
- Sending the spec sheet as a photo. A multi-page document compressed into a chat image is unreadable. Send documents as documents.
- No dimensions anywhere in the catalogue. This is the expensive one. Every dimension a buyer cannot find becomes a message you have to answer manually, and a fraction of those buyers never bother to ask.
Catalogue audit checklist
- Every tile image is at least 1,600 px on the long side, not 500
- Every file is JPEG or PNG and under 8 MB
- No text, watermark, price or promo badge burned onto any image
- Four images per SKU: tile, dimensions, packing, detail
- Labels on the dimension frame are at least 3% of the image's longest side
- Prices live in the price field, not on the artwork
- Item codes match the codes on your quotations and packing lists
- Description covers material, key dimensions, MOQ and lead time in three lines
- Spec sheets and drawings are sent as documents, not photos
- Anything with numbers on it is sent in HD when it goes through chat
Next steps
Pick one, in this order — each is a self-contained afternoon:
- Fix the image set on your top 30 SKUs. Not all of them, the 30 you would send to a real buyer this week. Tile, dimensions, packing, detail.
- Build a real spec sheet for the document path. A one-page PDF per SKU is what a buyer forwards internally, and forwarding is how you reach the person who signs. The structure is covered in product spec sheet buyers actually read, and the spec sheet format shows what belongs on the page.
- Get measured dimensions onto the tile-adjacent frame. This is the step most suppliers skip, and it is the one that removes the "what size is it?" message from your inbox. What you want is not a redrawn illustration but the actual measurement locked onto your own photograph — snapped to the product's real edges so the number on the image matches the number on the tape, then exported at each channel's image size. A generated product render will produce a plausible-looking dimension that is simply wrong; a measured annotation reports what you measured. On a catalogue that gets forwarded from buyer to buyer, that difference travels with the image.
- Reuse the same annotated frames everywhere else. The dimension and packing frames you build here are the same assets your marketplace listings need — see reuse product images across platforms for which sizes each channel expects.
FAQ
What is the best image size for a WhatsApp Business catalogue?
Meta's stated minimum is 500 × 500 pixels with 1200 × 628 recommended, formats JPEG, GIF or PNG, up to 8 MB. In practice, upload a square image of at least 1,600 px on the long side. It stays within the 8 MB ceiling comfortably and keeps your labels and surface detail readable after the platform resizes it.
Does WhatsApp compress the photos I send to buyers?
Chat photos have two quality settings. Standard quality is optimised to send faster and use less data; HD quality is clearer but heavier. You cannot upgrade a photo after sending it — you have to send it again in HD. That is why spec diagrams should either go as HD photos or as documents, which are handled on a different path entirely.
How many products can I show a buyer in one WhatsApp message?
A multi-product message carries a curated selection of up to 30 products organised into sections, and a buyer can put up to 99 units of a single item in the cart. Build your catalogue so that any buyer segment can be served by a 30-item shortlist.
Should I send my spec sheet as a photo or a document?
As a document. Photos, videos and voice messages are capped at 16 MB and a multi-page sheet compressed into an image is unreadable on a phone; documents are allowed up to 2 GB. Documents also keep their filename, which matters when your buyer forwards it to a colleague who was not in the chat.
Can I put my logo and price on the catalogue image?
Meta's catalogue guidance advises against text overlays, calls to action, promo codes, watermarks and time-sensitive information such as temporary price drops. Dimension labels are a different case — they describe the product rather than promote it — but a price stamp or a big logo works against both the guidance and your own conversion rate.
Sources & References
- Meta Business Help Centre — Product image specifications for catalogues
- Meta Business Help Centre — Add products to your catalogue manually in Commerce Manager
- Meta for Developers — Sell products and services with WhatsApp (multi-product messages and carts)
- WhatsApp Help Centre — About HD photos and videos
- WhatsApp Help Centre — How to send media, and media size limits