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PDF-SDK
Legal

Contract review and signing for legal apps

Mark up a draft, correct a clause, assemble the bundle, then sign it and check every signature — in your own app, without sending client documents anywhere.

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From draft to verified signature.

  1. Review the draft

    Highlight, strike out and comment on clauses, and leave notes for the other side.

    Annotations

  2. Fix the wording

    Correct a clause in the PDF itself — the existing text, in its own font — instead of going back to the source file.

    doc.setText(clause, revised, { shrinkToFit: true })Edit text

  3. Assemble the bundle

    Bring in exhibits from other PDFs, reorder pages and pull out the pages to send.

    doc.importPages(exhibit); doc.extractPages([0, 1])Pages

  4. Sign and verify

    Sign digitally, counter-sign, and see whether anything changed after each signature.

    verifySignatures(editor, bytes)Verify signatures

Code from the web API; the iOS and Android SDKs have the same document API.

Documents stay on the device

Client documents stay on the device or in the browser tab: PDF-SDK has no document server, so privileged material never passes through a third party.

  • No document server, and nothing uploaded to us.
  • Works without a connection.
  • Signing keys stay in the device’s keystore or your own signer.
How we handle your data

Where the SDK stops

So you can plan for it before you build.

  • It does not redact: hiding or deleting text in the editor is not a substitute for redaction before disclosure.
  • It does not convert Word files or compare document versions.
  • Whether a signature is accepted for a filing is decided by the court or counterparty, not by the software that made it.

On every platform your users have

Legal questions.

Ask about your project

Yes. The editor changes the existing text itself — its words, font, size and colour — so a clause can be corrected without going back to the source file.

Verify its signatures: each result says who signed and when, whether the signature is valid, and whether the document was changed after it.

No. PDF-SDK edits, marks up and signs PDFs; permanent redaction before disclosure needs a dedicated tool.

More industries

Try it in your app.

A free trial unlocks every feature on every platform, in any app. Open a document today.

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Talk to us

Questions about licensing, several apps, volume, or OEM and site terms — we will work out what fits.

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