Standalone installable software · DocuSphere360 family

PDF productivity with governed evidence built in.

Edit, annotate, OCR, redact, convert, compare and sign PDFs on desktop and mobile—then protect consequential changes with identity, checksums, version history and Numerish governance.

  • Windows · macOS · Linux
  • iOS · Android
  • Free · Pro · Sovereign
Enterprise PDF workspace

A complete PDF studio. A stronger control model.

PDF Studio is a standalone installable Numerish product. It can work locally for PDF productivity and optionally bind authorized users to Numerish Identity360, License360, DocuSphere360, eSign and Evidence Ledger services for governed enterprise workflows.

Capabilities

From everyday edits to governed records.

01

Edit & annotate

Text, markup, comments and structured document changes with clear revision handling.

02

Pages & documents

Insert, delete, reorder and rotate pages; merge documents and split selected ranges.

03

Forms & OCR

Work with PDF forms and create searchable PDFs from image-based documents.

04

Permanent redaction

Remove selected content using a redaction workflow designed for controlled document handling.

05

Protect & convert

PDF protection, office conversion and validated PDF/A workflows on certified platforms.

06

Compare

Inspect document changes with visual and semantic comparison tools.

07

Numerish eSign

Prepare governed signature requests, signer routing and evidence through Numerish eSign.

08

AI assistance

Authorized AI-assisted PDF functions with policy, entitlement and privacy controls.

09

Cryptographic governance

Create new governed revisions with SHA-256 integrity, evidence history and audit traceability.

Sovereign assurance

Local productivity when you need it. Governed assurance when the document matters.

Sensitive controls remain common across the canonical Tauri application: License360 → entitlements → PDF engine → eSign → SHA-256 → Evidence Ledger → audit.

  1. 1AuthenticateUser, workspace and device
  2. 2AuthorizePlan, role and entitlement
  3. 3ProcessLocal-first PDF workflow
  4. 4EvidenceRevision, hash and audit
Downloads & releases

Get the latest verified release.

Only Production-approved artifacts appear here. Checksums and version history remain visible for verification and rollback support.

Latest stableChecking…Release catalogue

Plans

Start free. Add governance when you need it.

Commercial amounts are resolved from PricingHub for your country, currency and applicable tax—not hard-coded into this page.

Free

Essential PDF work

For individuals who need reliable core PDF productivity.

  • Core PDF viewing and editing
  • Annotations and page tools
  • Local document workflows
Download free
Sovereign

Enterprise assurance

For controlled estates, regulated teams and sovereign operating requirements.

  • Enterprise licensing and device controls
  • Governed revisions and evidence
  • Deployment and assurance controls
Talk to Numerish
DocuSphere360 PDF Studio

Your PDFs. Your workflow. Verifiable control when it matters.

Choose your platform