--- title: "Heureka image compressor: under 2 MB, free | Herofab" description: "Compress product photos under the 2 MB limit of Heureka. Saved as JPG, never cropped. Free, in your browser; nothing is uploaded." url: https://herofab.app/tools/heureka-image-compressor language: en updated: 2026-10-12 --- # Compress images for Heureka. Drop your photos and download them under 2 MB, the file-size limit in Heureka's image rules. The quality is lowered first and the pixel dimensions only when needed; the photo is never cropped. It runs in your browser; nothing is uploaded. ![Black-dial watch with a mesh strap on white, three-quarter view](https://herofab.app/img/ex/watch-packshot-1100.webp) Made with Herofab · Packshot studio ## Under 2 MB per image, saved as JPG Limits come from each platform's own help pages, summarised in the [guides](https://herofab.app/guides/) (checked 24 September 2026). ## What Heureka asks for. Source: [Heureka — Jak správně posílat obrázky](https://sluzby.heureka.cz/napoveda/jak-spravne-posilat-obrazky/) · checked 27 September 2026 Heureka feed images: at least 20 × 50 px and 30 kB, 175 × 175 px recommended, at most 4,096 × 4,096 px and 2,000 kB; ideally white, not transparent. - **Limit used:** Under 2 MB per image, saved as JPG - **Pixels kept:** A photo with a side over 4,096 px is scaled down to that limit first. The shorter side stays at 20 px or more. The longest side stays at 50 px or more. - **Size:** At least 20 × 50 or 50 × 20 pixels and 30 kB, with at least 175 × 175 pixels recommended; at most 4,096 × 4,096 pixels and 2,000 kB - **Formats:** JPEG and PNG are supported on both official pages; the XML feed specification also lists WebP and BMP, while the image help page says only .jpeg, .png and .jpg are currently supported [Heureka image guide](https://herofab.app/guides/heureka-image-requirements) · [Product photo checker](https://herofab.app/tools/heureka-product-photo-checker) · [Image compressor](https://herofab.app/tools/image-compressor) ## Compressors by platform. [Walmart](https://herofab.app/tools/walmart-image-compressor) · [Shopee](https://herofab.app/tools/shopee-image-compressor) · [Cdiscount](https://herofab.app/tools/cdiscount-image-compressor) · [Ricardo](https://herofab.app/tools/ricardo-image-compressor) · [Miinto](https://herofab.app/tools/miinto-image-compressor) · [Google Ads](https://herofab.app/tools/google-ads-image-compressor) · [Amazon A+ Content](https://herofab.app/tools/amazon-a-content-image-compressor) · [Amazon Brand Store](https://herofab.app/tools/amazon-brand-store-image-compressor) · [LinkedIn ads](https://herofab.app/tools/linkedin-ads-image-compressor) · [Snapchat ads](https://herofab.app/tools/snapchat-ads-image-compressor) · [Google Business Profile](https://herofab.app/tools/google-business-profile-image-compressor) · [Temu](https://herofab.app/tools/temu-image-compressor) · [Newegg](https://herofab.app/tools/newegg-image-compressor) · [Webflow](https://herofab.app/tools/webflow-image-compressor) · [Amazon Ads](https://herofab.app/tools/amazon-ads-image-compressor) · [Reddit Ads](https://herofab.app/tools/reddit-ads-image-compressor) · [Mailchimp](https://herofab.app/tools/mailchimp-image-compressor) · [Wolf & Badger](https://herofab.app/tools/wolf-badger-image-compressor) · [THE ICONIC](https://herofab.app/tools/the-iconic-image-compressor) · [Trade Me](https://herofab.app/tools/trade-me-image-compressor) · [SHEIN](https://herofab.app/tools/shein-image-compressor) · [AliExpress](https://herofab.app/tools/aliexpress-image-compressor) · [Folksy](https://herofab.app/tools/folksy-image-compressor) · [ZALORA](https://herofab.app/tools/zalora-image-compressor) · [Taboola](https://herofab.app/tools/taboola-image-compressor) · [Outbrain](https://herofab.app/tools/outbrain-image-compressor) · [Omnisend](https://herofab.app/tools/omnisend-image-compressor) ## Compressing for Heureka, answered. **What is the image file-size limit on Heureka?** 2 MB per image, according to the rules summarised in the Heureka guide. This tool saves each photo as a JPG under that size. **Is JPG accepted on Heureka?** Yes. The formats Heureka lists are JPEG and PNG. **Does compressing for Heureka change the pixel size?** Only when lowering the quality is not enough to get under 2 MB. A photo with a side over 4,096 px is scaled down to that limit first. The shorter side stays at 20 px or more. The longest side stays at 50 px or more. **Where do these figures come from?** From Heureka — Jak správně posílat obrázky, read on 27 September 2026. Marketplaces update their rules; the [official page](https://sluzby.heureka.cz/napoveda/jak-spravne-posilat-obrazky/) is the final reference.