# Smallpdf vs Stirling-PDF

| Attribute | Smallpdf | Stirling-PDF |
|---|---|---|
| **Vioscale score** | 46.3 (55% (medium)) | 57 (16% (low)) |
| activity.commits_last_30d | - | 100 |
| adoption.dependent_repos | - | 0 |
| adoption.github_stars | - | 90,481 |
| deployment.options | `{"cloud":true}` | `{"hybrid":true,"on_prem":true,"self_hosted":true}` |
| description.long | A cloud-based PDF software platform providing over 30 tools for document conversion, compression, editing, e-signing, and file management. Available via web, desktop application, and mobile apps with a freemium pricing model. | A versatile PDF platform offering editing, signing, redaction, and conversion capabilities. Can run as a standalone desktop application, in a web browser, or deployed on private servers, with REST APIs for integration and workflow automation. |
| features.capabilities | `{"iso_27001":true,"soc2_type_ii":false,"pricing_model":"freemium","deployment_model":"cloud_saas","file_size_compression_engine":true,"interactive_form_field_creation":false,"password_protection_and_encryption":true,"permanent_blackout_redaction_engine":false,"microsoft_office_docx_xlsx_conversion":true,"page_merging_extraction_and_splitting":true,"base_text_and_image_editing_within_pdf":true,"ocr_optical_character_recognition_scanning":true,"digital_signature_certification_enforcement":true}` | - |
| integrations.count | 5 | - |
| integrations.list | `[{"name":"Google Drive"},{"name":"Dropbox"},{"name":"Google Chrome"},{"name":"Google Workspace"},{"name":"Sign.com"}]` | - |
| language.primary | - | Java |
| market.availability | `{"hqCountry":"CH","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"web":true,"windows":true}` | `{"cli":true,"mac":true,"web":true,"linux":true,"windows":true}` |
| pricing | `{"type":"subscription","plans":[{"free":true,"name":"Free","summary":"Free","features":["30+ document management tools","Limited document downloads","Limited mobile app access","Limited Sign.com access"],"minSeats":1,"components":[{"kind":"fixed","amount":0,"period":"month","currency":null}],"description":"30+ document management tools with limited usage","contactSales":false,"includedLimits":{"tools":"30+","downloads":"limited","mobile_access":"limited","sign_com_limit":"2 documents/month"}},{"free":false,"name":"Pro","summary":"Billed annually","features":["Unlimited access to 30+ tools","Unlimited document downloads","Edit Text, OCR, and more","Strong Compression","Unlimited AI-powered tools","Unlimited mobile app access","Unlimited Sign.com Premium subscription"],"minSeats":1,"commitment":"annual","description":"Unlimited access to all tools, AI features, and premium compression","contactSales":false},{"free":false,"name":"Team","summary":"Per-seat billed annually","features":["Everything in Pro","Special discounted pricing","Priority customer support","Centralized billing","Member access management","Unlimited Sign.com Premium for each team member"],"minSeats":2,"commitment":"annual","description":"Team collaboration with discounted per-seat pricing and centralized management","contactSales":false,"includedLimits":{"team_size":"2-19 seats"}},{"free":false,"name":"Business","summary":"Custom pricing available upon request","features":["Everything in Pro for Teams","Custom pricing","Flexible payment options","Dedicated customer support"],"minSeats":20,"description":"Enterprise solutions for large teams with custom terms","contactSales":true}],"summary":"Freemium model with paid subscription tiers billed annually.","freeTier":true,"sourceUrl":"https://smallpdf.com/pricing","retrievedAt":"2026-08-25T15:50:20.686Z","freeTrialDays":7,"billingPeriods":["month","year"]}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://stirlingpdf.com/pricing","retrievedAt":"2026-08-20T14:05:21.556Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | open_source |
| pricing.price_level | low | free |
| pricing.transparent | no | - |
| release.cadence_days | - | 6 |
| release.history | - | `[{"url":"https://github.com/Stirling-Tools/Stirling-PDF/releases/tag/v2.14.3","date":"2026-08-06T18:48:12Z","type":"stable","version":"v2.14.3"},{"url":"https://github.com/Stirling-Tools/Stirling-PDF/releases/tag/v2.14.2","date":"2026-07-08T09:59:54Z","type":"stable","version":"v2.14.2"},{"url":"https://github.com/Stirling-Tools/Stirling-PDF/releases/tag/v2.14.1","date":"2026-07-07T21:56:29Z","type":"stable","version":"v2.14.1"},{"url":"https://github.com/Stirling-Tools/Stirling-PDF/releases/tag/v2.14.0","date":"2026-06-30T22:48:14Z","type":"stable","version":"v2.14.0"},{"url":"https://github.com/Stirling-Tools/Stirling-PDF/releases/tag/v2.13.2","date":"2026-06-24T21:06:14Z","type":"stable","version":"v2.13.2"},{"url":"https://github.com/Stirling-Tools/Stirling-PDF/releases/tag/v2.13.1","date":"2026-06-19T18:27:49Z","type":"stable","version":"v2.13.1"},{"url":"https://github.com/Stirling-Tools/Stirling-PDF/releases/tag/v2.13.0","date":"2026-06-18T21:29:00Z","type":"stable","version":"v2.13.0"},{"url":"https://github.com/Stirling-Tools/Stirling-PDF/releases/tag/v2.12.0","date":"2026-06-09T20:40:03Z","type":"stable","version":"v2.12.0"},{"url":"https://github.com/Stirling-Tools/Stirling-PDF/releases/tag/v2.11.0","date":"2026-05-19T10:52:27Z","type":"stable","version":"v2.11.0"},{"url":"https://github.com/Stirling-Tools/Stirling-PDF/releases/tag/v2.10.1","date":"2026-05-07T20:07:16Z","type":"stable","version":"v2.10.1"},{"url":"https://github.com/Stirling-Tools/Stirling-PDF/releases/tag/v2.10.0","date":"2026-04-24T13:12:51Z","type":"stable","version":"v2.10.0"},{"url":"https://github.com/Stirling-Tools/Stirling-PDF/releases/tag/v2.9.2","date":"2026-04-04T09:32:15Z","type":"stable","version":"v2.9.2"},{"url":"https://github.com/Stirling-Tools/Stirling-PDF/releases/tag/v2.9.1","date":"2026-04-03T16:48:50Z","type":"stable","version":"v2.9.1"},{"url":"https://github.com/Stirling-Tools/Stirling-PDF/releases/tag/v2.9.0","date":"2026-04-02T18:02:36Z","type":"stable","version":"v2.9.0"},{"url":"https://github.com/Stirling-Tools/Stirling-PDF/releases/tag/v2.8.0","date":"2026-03-24T18:58:13Z","type":"stable","version":"v2.8.0"},{"url":"https://github.com/Stirling-Tools/Stirling-PDF/releases/tag/v2.7.3","date":"2026-03-19T15:35:02Z","type":"stable","version":"v2.7.3"},{"url":"https://github.com/Stirling-Tools/Stirling-PDF/releases/tag/v2.7.2","date":"2026-03-13T10:38:08Z","type":"stable","version":"v2.7.2"},{"url":"https://github.com/Stirling-Tools/Stirling-PDF/releases/tag/v2.7.1","date":"2026-03-12T21:58:46Z","type":"stable","version":"v2.7.1"},{"url":"https://github.com/Stirling-Tools/Stirling-PDF/releases/tag/v2.7.0","date":"2026-03-06T11:21:47Z","type":"stable","version":"v2.7.0"},{"url":"https://github.com/Stirling-Tools/Stirling-PDF/releases/tag/v2.6.0","date":"2026-03-03T20:46:42Z","type":"stable","version":"v2.6.0"}]` |
| security.gdpr | yes | - |
| security.iso27001 | yes | - |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fstirling-tools%2Fstirling-pdf&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (PDF Editors)

| Capability | Smallpdf | Stirling-PDF |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Deployment model | Cloud saas | - |
| Base text and image editing within PDF | ✓ | - |
| Page merging extraction and splitting | ✓ | - |
| OCR optical character recognition scanning | ✓ | - |
| Permanent blackout redaction engine | ✗ | - |
| Password protection and encryption | ✓ | - |
| Interactive form field creation | ✗ | - |
| Digital signature certification enforcement | ✓ | - |
| Microsoft office docx xlsx conversion | ✓ | - |
| File size compression engine | ✓ | - |
| SOC2 type ii | ✗ | - |
| ISO 27001 | ✓ | - |
| Pricing model | Freemium | - |

*Source: Vioscale. Generated 2026-09-01T15:17:07.393Z. "-" = undocumented, not absent.*