Carbone
Carbone: A flexible choice for JSON-driven PDFs, batch reports, forms, and document automation. Ranked #28 of 45 in PDF Creation Software by our editors (6.4/10); pricing: Open source; best for open, flexible document automation.
At a glance
- Editor score6.4 / 10
- PricingOpen source
- Best forOpen, flexible document automation
- Paid fromFree
- Data mergeYes
- Facts checked24 Sep 2026
Where it wins
- JSON merging, batch generation, forms, and document conversion
- Cloud, REST API, SDK, and self-hosted deployment options
- Integrations with Zapier, Airtable, Make, HubSpot, and Salesforce
Where it doesn't
- Expert support is available only with the Advanced plan
- SSO is limited to the Advanced plan
- The Studio web component is limited to the Advanced plan
Our verdict on Carbone
Carbone is a document-generation engine for developers and business teams that need to turn JSON data into PDFs and other document outputs. It works with editable templates in DOCX, XLSX, PPTX, ODT, HTML, Markdown, PDF, and other formats. Templates can support substitutions, repetitions, conditions, calculations, images, charts, barcodes, and other document features. The product is suited to teams building automated reports, forms, invoices, business documents, and document workflows.
Its platform coverage is a major strength. Carbone offers a cloud service, REST API, SDK-based integration, and self-hosted deployment. Integrations include Zapier, Airtable, Bubble, n8n, Make, Odoo, HubSpot, and Salesforce. The feature set also covers template storage and versioning, batch generation of multiple reports from one template and dataset, PDF form and AcroForm filling, dynamic text fields and checkboxes, and HTML and CSS to PDF rendering. Document conversion spans more than 160 formats, while PDF tools include merging, appending, watermarking, and encryption.
The Free plan provides cloud access. Essential adds cloud access and API document generation, while Advanced adds expert support, the Studio web component, and SSO. Carbone is a strong fit for teams that want open-source flexibility alongside hosted, API, and self-hosted options. It is less suitable for buyers seeking a narrowly focused desktop PDF editor or teams that require Advanced-plan capabilities such as SSO, Studio, or expert support without selecting that tier.
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Carbone pricing
Carbone fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Free |
| Data merge | Yes |
| Bulk PDF generation | Yes |
| API access | Yes |
| Maximum pages | Not verified |
| Input sources | JSON data; DOCX, ODT, XLSX and other office/OpenDocument templates |
| Fillable form creation | Not verified |
| Deployment | Not verified |
| Deployment | Cloud, Self-hosted |
| Platforms | Web |
| Support | Docs, Community |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Open source (source) |
| Website | carbone.io |
| Facts checked | 24 Sep 2026 |
Alternatives to Carbone
- Wondershare PDFelementA broad PDF toolkit covering editing, OCR, forms, conversion, signatures, and AI workflows.9.3
- Adobe PDF Services APIA broad PDF automation API for enterprise document workflows and integrations.9.2
- PDFCreatorA Windows-focused PDF converter for batch processing, automation, and controlled output.9.1
See all Carbone alternatives →
Also Ranked In
Carbone is ranked in 5 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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