| Price from | $49/mo | $8.99/mo |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| macOS | Yes | — |
| iOS | Yes | — |
| API | Yes | Yes |
| Plans published | 4 | 11 |
| Spec score · PDF Compression Software | 9.1 (#2) | 8.4 (#12) |
| Documentation depth | The official docs include setup, Ghostscript installation, file-type guides, customization, integrations, troubleshooting and an OpenAPI specification link. | The developer site contains API reference pages, quickstarts, integrations, webhooks, async jobs, response codes, credit tables, request limits and a knowledge base. |
| Maker identity | The official site credits Dinh Quang Hieu, while Crunchbase identifies Hieu Dinh as Compresto's founder. | PDF.co is maintained by Artifex Software, Inc., which describes the platform as its document extraction and PDF API product. |
| Rating on G2 | 0 out of 5 from 0 reviews | PDF.co is rated 4.7 out of 5 from 165 reviews. |
| Support | The privacy policy lists [email protected] for questions about privacy or data handling. | The company says customers can contact engineers who built the product and describes its customer service as developer-friendly. |
| What it does | Compresto is a native macOS application that batch-compresses videos, images, GIFs and PDFs locally, with claimed reductions of up to 90%. | PDF.co is a low-code REST API platform for converting, editing, extracting, generating and automating PDF workflows. |
