The open-source, self-hosted alternative to Smallpdf
Smallpdf is a polished hosted PDF suite. Vistalyth Tools is the self-hosted alternative for teams that want PDF tools to run on infrastructure they control, without sending sensitive documents to a third-party PDF service.
Vistalyth Tools vs Smallpdf
| Vistalyth Tools | Smallpdf | |
|---|---|---|
| Deployment model | Self-hosted on your server | Hosted web service |
| File processing location | Your infrastructure | Files are uploaded to a vendor-hosted service for processing |
| Cost control | Free AGPLv3; limits are your hardware | Free and paid plans with plan-specific features |
| Offline / air-gapped use | Supported when deployed inside your network | Designed for browser-based online use |
| Beyond PDFs | Image, video, audio, PDF, and files | PDF workflow suite |
| Source and auditability | Source available under AGPLv3 | Vendor-operated service; source availability is not the product model |
| Automation | REST API and pipelines in your deployment | Browser workflow or vendor-managed API, depending on product |
Last reviewed July 1, 2026. Comparison uses publicly available vendor pages and focuses on deployment model, file location, auditability, and workflow fit. Vendor features and plans change; check current docs before deciding. Vistalyth Tools is not affiliated with Smallpdf.
Sources reviewed
One stack, all five file types
Smallpdf is focused on PDFs, which is exactly what many people need. Vistalyth Tools covers that lane with merge, split, compress, convert, redact, OCR, and more, then adds image, video, audio, and file workflows in the same deployment.
Frequently asked questions
- Is there a free, self-hosted alternative to Smallpdf?
- Yes. Vistalyth Tools is open source under AGPLv3 and runs on your own server with Docker. It covers merge, split, compress, convert, protect, redact, watermark, page numbers, and OCR, with no per-file fee from Vistalyth Tools.
- Do my documents get uploaded anywhere?
- Vistalyth Tools processes files on the machine you run it on. If you deploy it inside your own network, files stay inside that deployment instead of going to a third-party PDF service.
- Does Vistalyth Tools do more than PDFs?
- Yes. Beyond PDF tools, Vistalyth Tools handles image, video, audio, and file tasks too, so one deployment can cover several day-to-day file workflows.
More comparisons
Run it on your own server
200+ tools across image, video, audio, PDF, and files. Open source, free forever, and your files never leave your network.
Deploying this across a team?
Audit trails, per-tool permissions, SSO, and air-gapped deployment for regulated environments. Talk to us about running Vistalyth Tools as shared infrastructure.