Guides
Short pieces on getting a batch of photos ready to post or list, each tied to something the tool does in your browser. Where a marketplace's rules come into it, the article quotes the help page it read and says when.
Marketplace rules
- eBay photo requirements: size, count and no watermarks
What eBay's own help pages asked of listing photos in October 2026, and preparing a batch to match.
- Etsy listing photo size and watermarks
What Etsy's help pages asked of listing photos in October 2026: both sides, the three thumbnail crops, and why it advises against marks.
- Amazon main image requirements
Pure white, the product at 85% of the frame, the sizes Amazon gives and where 2000 comes from, and what other images may show.
- Poshmark, Mercari and Depop photo rules
What each app's own pages said in October 2026 about shape, size, count and watermarks, and one batch for all three.
- Can you watermark eBay or Etsy listing photos?
What each site's picture policy said in September 2026, and what to do instead of a mark.
- Watermark placement and size for marketplace photos
Where a mark is hard to crop off and hides nothing, how large to make it, and one position for a whole batch.
- Can you watermark real estate listing photos?
One MLS rule on watermarks and branding, why yours may differ, and keeping a clean and a marked set.
- Zillow, Realtor.com and MLS listing photo rules
What the portals and two MLSs said in October 2026 about photo size, text and logos, and an MLS set beside a marketing set.
- Airbnb and Vrbo listing photo rules
The 1024×683 minimum, landscape, why Vrbo may reject a watermark, and clearing the house's GPS position from a batch.
- Car listing photos on Autotrader, Cars.com and Facebook
Photo counts and file sizes for a private car sale, and clearing your driveway's location from the photos.
- StockX, GOAT and Grailed photo requirements
What each resale site asks of sneaker and streetwear photos, which refuse watermarks, and one unmarked set for all.
- Google Merchant Center image requirements
The 500px minimum from 2027, the promo text and watermarks that get an image disapproved, and an unmarked set in one batch.
- Shopify product image size and watermarks
The 2048 square Shopify suggests, its size limit and one aspect ratio, and what a watermark runs into on a store.
Privacy and EXIF
- Do Mercari, eBay and Etsy strip EXIF and GPS from your photos?
What each company's own pages say about the location in a listing photo, and what they leave out.
- Remove location data from photos before selling online
What a phone writes into a photo, and clearing it from a batch before you list.
- Does resizing a photo remove EXIF data?
Why one tool drops the block and the next keeps it, and how to check a file yourself.
- Watermark, copyright notice or metadata: which protects your photos?
What the US Copyright Office, IPTC and Google say about each, where each falls short, and using all three.
- Photo timestamp and camera model in EXIF: what buyers can see
The date taken, time zone, phone model, lens and editing app a photo carries, and clearing them from a batch.
- Watermark multiple photos without uploading them
One mark across a whole batch, with the photos staying on your machine.
- Facebook Marketplace and Craigslist photo sizes and privacy
What the two local-sale sites say about photos, and why a photo taken at home is worth clearing of its location first.
- Does sharing a photo from your phone remove its location?
What Apple and Google say an iPhone share, a Google Photos link or a download carries, and clearing a batch first.
- Photo EXIF on X, Instagram, Facebook and WhatsApp
What each service's own pages say about the GPS, date and phone model in a photo you post, and how to check a copy.
Sizing
- Why WordPress renames a photo to -scaled.jpg
What WordPress does to a large upload, where the original goes, and choosing the size yourself.
- Image sizes for Mercari, Yahoo Auctions, eBay and Etsy
What five marketplaces' own pages say about size, shape and file size, side by side.
- Instagram photo sizes and watermark placement
The width and shapes Instagram keeps, and placing a mark so resizing and cropping leave it readable.
- Pinterest Pin image size and text overlay
The 2:3 shape Pinterest recommends, where its pages put text and logos, and what SignetDrop can and cannot do towards it.
- OG image size for LinkedIn, Facebook and X
The link preview image each service documented in October 2026, why the edges are at risk, and a batch of 1200-wide images.
- Batch resize photos for the web without losing quality
A longest edge, a quality setting, JPEG or WebP, and why a copy of a copy is what loses detail.
- Resize photos to 2048px for Facebook
A batch scaled to 2048px on the longest edge and saved as JPEG.
- Make Etsy listing photos square without cropping
A border instead of a crop, so the thumbnail keeps the whole product.
- Poshmark portrait photos without cropping
Padding old square photos to the 3:4 frame Poshmark now shows.
Naming
- Bulk resize and rename photos online
Resizing by longest edge and renaming to a pattern in the same pass.
- Rename photos for Amazon bulk upload
The identifier, variant code and extension pattern, as in B00431765.PT02.jpg.
In Japanese
- 不動産ポータル向けの物件写真
The real-estate preset, explained in Japanese: 4:3 on white, a company-name watermark, names by property and room.
- ネットショップ向けの商品画像
The online-shop preset, explained in Japanese: square on white, no watermark, names in SKU order.
- メルカリの写真サイズと透かし
Mercari's square photos and 20-photo limit, why sellers mark brand-goods photos, and what its rules keep out of a watermark.
- 楽天の商品画像登録ガイドラインの要点
Rakuten Ichiba's rules for the first image (text under 20%, no borders, white or photo background) and where a watermark breaks them.
- 写真の位置情報と機種名を消す
When an iPhone share or a Google Photos download keeps a photo's location, and clearing it with a watermark in the browser.
- ウェブ用の写真を一括リサイズ
A longest edge, a quality setting, JPEG or WebP, and why a copy of a copy is what loses detail.
- Yahoo!オークション・フリマの写真サイズと透かし
Yahoo! Auctions' 10 photos and 1200-pixel limit, Yahoo! Flea's 20 photos, and the text-in-image rules a watermark must stay within.
- ジモティーの写真から自宅の位置を消す
For local hand-over sales: GPS, capture time and what is in frame, Jimoty's 500-pixel limit, and clearing a batch in the browser.
- 民泊の掲載写真のサイズと位置情報
Airbnb's and Vrbo's minimum size, landscape shape and overlay rules, and clearing a property's GPS position with the real-estate preset.
- 車の売却写真の位置情報を消す
Clearing the location from car photos taken at home, and why number plates and registration papers are for the camera, not this tool.
Or go straight to the tool: free does ten photos at a time, up to 2048px, with nothing uploaded.