# FreeSign (free-sign.com)

Signs PDFs inside the browser so the file never uploads, adding a PAdES certificate signature that verifies in standard PDF readers.

- Atlas card: https://inite.ai/en/atlas/free-sign.com
- Site: https://free-sign.com
- For: Individuals signing sensitive PDFs privately, and product teams embedding verifiable e-signing in their own apps
- Categories: documents
- Use 0/100 · alive 100/100

## Used for

- Add a real signature to a PDF locally
- Check a signed PDF's integrity in Adobe Reader
- Embed signing into a customer portal via API

## Price

- freemium, free plan (read 2026-10-19 on https://free-sign.com/pricing)

## For developers

- OpenAPI: https://free-sign.com/openapi.json (25 paths)
- MCP server: com.free-sign/signing (namespace; open on 2026-10-19, 5 tools)
- Read 2026-10-19

## MCP server, measured daily

Server: https://free-sign.com/mcp, checked every day since 2026-10-19 (1 checks).

- Answered: measuring, 1 daily checks so far
- Median first answer: 113 ms
- Sign-in: none
- Context its tool definitions take: about 623 tokens (5 tools)
- Tool definitions: C, 70/100
- Failing "params_described": 4 of 5 tools
- Failing "annotations": 5 of 5 tools
- Warning "open_writes": create_signing_envelope
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: gdpr
- Read 2026-10-19

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Source: INITE Atlas, https://inite.ai/en/atlas/free-sign.com. JSON: https://inite.ai/api/atlas/free-sign.com. MCP: https://inite.ai/api/mcp (atlas_lookup).