# Nitro Pro vs pdf-lib

| Attribute | Nitro Pro | pdf-lib |
|---|---|---|
| **Vioscale score** | 63.3 (55% (medium)) | 59.4 (20% (low)) |
| activity.commits_last_30d | - | 0 |
| adoption.dependent_repos | - | 2,364 |
| adoption.github_stars | - | 8,605 |
| deployment.options | `{"cloud":true}` | - |
| description.long | Comprehensive software for creating, editing, and securing PDFs with integrated digital signature capabilities and intelligent document automation. Available across Windows, Mac, iOS, and web with enterprise-grade security and productivity features. | A pure JavaScript PDF manipulation toolkit that runs across any JavaScript environment including web browsers, Node.js, Deno, and React Native. It enables creating new PDFs, editing existing documents, filling forms with various field types, embedding fonts, and merging or splitting pages. |
| features.capabilities | `{"iso_27001":true,"soc2_type_ii":true,"pricing_model":"flat_subscription","deployment_model":"cloud_saas","file_size_compression_engine":true,"interactive_form_field_creation":true,"password_protection_and_encryption":true,"permanent_blackout_redaction_engine":true,"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 | 20 | - |
| integrations.list | `[{"name":"Salesforce"},{"name":"Microsoft 365"},{"name":"Word"},{"name":"Excel"},{"name":"PowerPoint"},{"name":"SharePoint"},{"name":"OneDrive"},{"name":"Teams"},{"name":"Slack"},{"name":"Google Workspace"},{"name":"Zapier"},{"name":"iManage"},{"name":"M-Files"},{"name":"PDF Butler"},{"name":"Alfresco"},{"name":"TalentSoft"},{"name":"Aareon"},{"name":"Silverfin"},{"name":"AdminPulse"},{"name":"Sofico"}]` | - |
| language.primary | - | TypeScript |
| license.spdx | - | MIT |
| market.availability | `{"hqCountry":"IE","primaryMarkets":["US","GB","CA","AU"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"ios":true,"mac":true,"web":true,"windows":true}` | `{"web":true}` |
| pricing | `{"type":"subscription","plans":[{"free":false,"name":"Individual/Teams","features":["Edit text and images","OCR","Digital signatures","Form creation","File compression","AI summarization and data extraction"],"description":"Full-featured PDF editor with AI tools and integrations","contactSales":false},{"free":false,"name":"Plus","features":["All standard features","Nitro Analytics dashboard","ROI tracking","Sustainability metrics"],"description":"Includes analytics and usage insights","contactSales":false},{"free":false,"name":"Enterprise","features":["API access","SSO","Azure Information Protection","Domain control","QTSP qualified electronic signatures","Custom configurations"],"description":"Advanced compliance and custom integrations for large organizations","contactSales":true}],"summary":"Subscription-based with tiered plans; enterprise pricing by quote","currency":"USD","freeTier":true,"sourceUrl":"https://www.gonitro.com/pricing?hsLang=en","retrievedAt":"2026-08-25T15:42:36.809Z","freeTrialDays":14,"billingPeriods":["month","year"]}` | `{"type":"free","summary":"Free","freeTier":true,"sourceUrl":"https://pdf-lib.js.org/","retrievedAt":"2026-08-19T16:04:48.894Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | commercial |
| pricing.price_level | low | free |
| pricing.transparent | no | yes |
| release.cadence_days | - | 19 |
| release.history | - | `[{"url":"https://github.com/Hopding/pdf-lib/releases/tag/v1.17.1","date":"2021-11-06T22:31:59Z","type":"stable","version":"v1.17.1"},{"url":"https://github.com/Hopding/pdf-lib/releases/tag/v1.17.0","date":"2021-10-16T21:23:39Z","type":"stable","version":"v1.17.0"},{"url":"https://github.com/Hopding/pdf-lib/releases/tag/v1.16.0","date":"2021-01-27T01:11:42Z","type":"stable","version":"v1.16.0"},{"url":"https://github.com/Hopding/pdf-lib/releases/tag/v1.15.0","date":"2021-01-09T23:04:56Z","type":"stable","version":"v1.15.0"},{"url":"https://github.com/Hopding/pdf-lib/releases/tag/v1.14.1","date":"2020-12-30T00:07:00Z","type":"stable","version":"v1.14.1"},{"url":"https://github.com/Hopding/pdf-lib/releases/tag/v1.14.0","date":"2020-12-21T17:46:03Z","type":"stable","version":"v1.14.0"},{"url":"https://github.com/Hopding/pdf-lib/releases/tag/v1.13.0","date":"2020-12-06T20:09:41Z","type":"stable","version":"v1.13.0"},{"url":"https://github.com/Hopding/pdf-lib/releases/tag/v1.12.0","date":"2020-11-15T15:49:05Z","type":"stable","version":"v1.12.0"},{"url":"https://github.com/Hopding/pdf-lib/releases/tag/v1.11.2","date":"2020-10-09T22:10:18Z","type":"stable","version":"v1.11.2"},{"url":"https://github.com/Hopding/pdf-lib/releases/tag/v1.11.1","date":"2020-09-15T23:54:00Z","type":"stable","version":"v1.11.1"},{"url":"https://github.com/Hopding/pdf-lib/releases/tag/v1.11.0","date":"2020-09-13T20:29:46Z","type":"stable","version":"v1.11.0"},{"url":"https://github.com/Hopding/pdf-lib/releases/tag/v1.10.0","date":"2020-08-08T16:26:20Z","type":"stable","version":"v1.10.0"},{"url":"https://github.com/Hopding/pdf-lib/releases/tag/v1.9.0","date":"2020-06-26T23:26:28Z","type":"stable","version":"v1.9.0"},{"url":"https://github.com/Hopding/pdf-lib/releases/tag/v1.8.0","date":"2020-06-20T18:26:25Z","type":"stable","version":"v1.8.0"},{"url":"https://github.com/Hopding/pdf-lib/releases/tag/v1.7.0","date":"2020-05-30T16:20:25Z","type":"stable","version":"v1.7.0"},{"url":"https://github.com/Hopding/pdf-lib/releases/tag/v1.6.1","date":"2020-05-25T15:57:14Z","type":"stable","version":"v1.6.1"},{"url":"https://github.com/Hopding/pdf-lib/releases/tag/v1.6.0","date":"2020-05-16T15:55:44Z","type":"stable","version":"v1.6.0"},{"url":"https://github.com/Hopding/pdf-lib/releases/tag/v1.5.0","date":"2020-04-26T20:26:56Z","type":"stable","version":"v1.5.0"},{"url":"https://github.com/Hopding/pdf-lib/releases/tag/v1.4.1","date":"2020-03-07T16:59:52Z","type":"stable","version":"v1.4.1"},{"url":"https://github.com/Hopding/pdf-lib/releases/tag/v1.4.0","date":"2020-02-29T16:39:41Z","type":"stable","version":"v1.4.0"}]` |
| security.disclosure_policy | yes | - |
| security.gdpr | yes | - |
| security.hipaa | yes | - |
| security.iso27001 | yes | - |
| security.soc2 | yes | - |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=pdf-lib&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (PDF Editors)

| Capability | Nitro Pro | pdf-lib |
|---|:--:|:--:|
| **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 | Flat subscription | - |

*Source: Vioscale. Generated 2026-09-01T16:43:30.302Z. "-" = undocumented, not absent.*