# ABC Digital Downloads > ABC Digital Downloads is a Shopify app for selling digital downloads — PDFs, eBooks, music, video, software, and more — with instant delivery, automatic white-label emails, PDF stamping/watermarking, in-browser streaming, and per-file download limits, all native to Shopify checkout. ABC works on every Shopify plan from Starter to Plus. Files are delivered on the post-purchase Thank You page and by secure email; download access auto-revokes on refund. Pricing is free to start, then $8 / $18 / $49 per month as storage and features grow. The full text of every article is available at https://abcdigitaldownloads.com/llms-full.txt. Last content update: 2026-06-14 ## Core pages - [Features](https://abcdigitaldownloads.com/features): Every capability — upload & connect files, dual delivery, streaming, PDF stamping, download/IP limits, and analytics. - [Pricing](https://abcdigitaldownloads.com/pricing): Free, $8, $18, and $49 tiers compared by storage, delivery features, and security, plus FAQ. - [Use cases](https://abcdigitaldownloads.com/use-cases): How creators sell eBooks & PDFs, music & audio, video, and software/digital products. - [Contact](https://abcdigitaldownloads.com/contact): Sales, support, and partnerships — support@abcdigitaldownloads.com. ## Knowledge base - [Knowledge base](https://abcdigitaldownloads.com/knowledge-base): Setup and how-to documentation hub. - [Getting Started](https://abcdigitaldownloads.com/knowledge-base/general/getting-started): Set up ABC Digital Downloads in three steps: enable the checkout extensions, upload and link your files, then brand the customer download email. - [How to Test the Customer Experience for a Digital Product](https://abcdigitaldownloads.com/knowledge-base/general/how-to-test-the-customer-experience-for-a-digital-product): Place a free test order on your store to preview the full buyer experience: checkout, the Thank You page download link, and the delivery email. - [How to Manage Files](https://abcdigitaldownloads.com/knowledge-base/files/files): Upload, search, rename, and delete digital files in ABC Digital Downloads, and view each file's download count, bandwidth, and connected products. - [Uploading and Connecting Files to Products](https://abcdigitaldownloads.com/knowledge-base/files/uploading-and-connecting-files-to-products): Upload a digital file and connect it to one or more Shopify products so it's delivered to customers automatically the moment they buy. - [How to Set Up Streaming for Video and Audio Files](https://abcdigitaldownloads.com/knowledge-base/files/how-to-set-up-streaming-for-video-and-audio-files): Set a video or audio file to Stream so customers play it in the browser without downloading. Ideal for selling courses, music, and tutorials. - [How to Send Updated Files to Specific Customers](https://abcdigitaldownloads.com/knowledge-base/files/how-to-send-updated-files-to-specific-customers): Send an updated file to specific past customers: open their order, manually attach the new version, and resend the download email. - [How to Connect Files to Products](https://abcdigitaldownloads.com/knowledge-base/products/connect-files-to-products): Attach digital files like eBooks, PDFs, and videos to your Shopify products so the right file is delivered automatically when a customer buys. - [Viewing Orders](https://abcdigitaldownloads.com/knowledge-base/orders/viewing-orders): View and manage every digital order: see connected files and download activity, resend download emails, and attach extra files after purchase. - [Searching Orders](https://abcdigitaldownloads.com/knowledge-base/orders/searching-orders): Find any order fast: search by customer, email, order number, product, or filename, and filter by payment status, attached files, or date. - [Managing Settings](https://abcdigitaldownloads.com/knowledge-base/settings/managing-settings): Configure ABC Digital Downloads globally: order fulfillment, where download links appear, download and IP limits, custom email domain, and PDF templates. - [Customizing Email Templates](https://abcdigitaldownloads.com/knowledge-base/settings/email-templates): Customize the emails customers receive after purchase: edit the subject and content, insert dynamic order details, or restore the default template. - [How to Set Up PDF Stamping for Your Digital Files](https://abcdigitaldownloads.com/knowledge-base/settings/creating-a-pdf-template): Stamp customer and order details onto delivered PDFs to deter unauthorized sharing. Create a stamping template and link it to your file. - [Setting Up Custom Email Settings White-Label Emails](https://abcdigitaldownloads.com/knowledge-base/settings/setting-up-custom-email-settings-white-label-emails): Send download emails from your own domain instead of the default ABC address. Add the DKIM and SPF DNS records, verify, and boost deliverability. ## Blog - [Blog](https://abcdigitaldownloads.com/blog): Guides on selling digital files on Shopify, written by operators. - [Ship your first digital product in 30 minutes](https://abcdigitaldownloads.com/blog/ship-your-first-digital-product): From upload to first sale — file prep, pricing, and the email template that actually works. The walk-through for brand-new ABC merchants. - [Watermarking PDFs without ruining the read](https://abcdigitaldownloads.com/blog/watermarking-pdfs-without-ruining-the-read): Strong piracy deterrent without compromising your customer's experience. The exact stamp positioning, opacity, and metadata fields we recommend. - [From Gumroad to Shopify: a migration playbook](https://abcdigitaldownloads.com/blog/migrating-from-gumroad-to-shopify): Step-by-step migration from Gumroad to Shopify + ABC. SEO redirects, customer email transfer, file backup, billing transition without a sales-day gap. ## Recent updates - [Setting Up Custom Email Settings White-Label Emails](https://abcdigitaldownloads.com/knowledge-base/settings/setting-up-custom-email-settings-white-label-emails) — 2026-06-14 - [How to Set Up PDF Stamping for Your Digital Files](https://abcdigitaldownloads.com/knowledge-base/settings/creating-a-pdf-template) — 2026-06-14 - [Customizing Email Templates](https://abcdigitaldownloads.com/knowledge-base/settings/email-templates) — 2026-06-14 - [Managing Settings](https://abcdigitaldownloads.com/knowledge-base/settings/managing-settings) — 2026-06-14 - [Viewing Orders](https://abcdigitaldownloads.com/knowledge-base/orders/viewing-orders) — 2026-06-14 ## Optional - [Changelog](https://abcdigitaldownloads.com/changelog): Product updates and release notes. - [Privacy Policy](https://abcdigitaldownloads.com/privacy): How customer and store data is handled. - [Terms of Service](https://abcdigitaldownloads.com/terms): Terms governing use of the app.