OpenSig
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À propos de l'application
A DIGITAL PEN ON YOUR PHONE
OpenSig is the simple, private way to sign documents and create independently verifiable proofs for any file. No complex workflows and no file uploads.
Sign PDFs, images, videos, design files, code, ZIPs and more. Add optional encrypted notes to record purpose, intent or context. Use OpenSig to approve documents, lock in deliverables, protect your intellectual property, and timestamp important work.
WHY OPENSIG?
• Private by design – your documents never leave your device
• Works with any file type and size
• Create permanent, tamper-proof proofs
• Add optional encrypted annotations such as purpose or message
• No accounts, no uploads, no monthly subscription
• Independent verification: anyone with the file can verify your proof
WHAT YOU CAN DO
• Sign and approve documents
• Prove authorship of creative work
• Timestamp drafts, designs and revisions
• Protect ideas, pitches and deliverables
• Verify file integrity before handoff
• Add short encrypted notes or URLs to your signature
• Share proofs with clients, collaborators or auditors
No uploads. No central storage. Just simple, verifiable signing you control.
OpenSig is the simple, private way to sign documents and create independently verifiable proofs for any file. No complex workflows and no file uploads.
Sign PDFs, images, videos, design files, code, ZIPs and more. Add optional encrypted notes to record purpose, intent or context. Use OpenSig to approve documents, lock in deliverables, protect your intellectual property, and timestamp important work.
WHY OPENSIG?
• Private by design – your documents never leave your device
• Works with any file type and size
• Create permanent, tamper-proof proofs
• Add optional encrypted annotations such as purpose or message
• No accounts, no uploads, no monthly subscription
• Independent verification: anyone with the file can verify your proof
WHAT YOU CAN DO
• Sign and approve documents
• Prove authorship of creative work
• Timestamp drafts, designs and revisions
• Protect ideas, pitches and deliverables
• Verify file integrity before handoff
• Add short encrypted notes or URLs to your signature
• Share proofs with clients, collaborators or auditors
No uploads. No central storage. Just simple, verifiable signing you control.
Date de mise à jour
La sécurité, c'est d'abord comprendre comment les développeurs collectent et partagent vos données. Les pratiques concernant leur confidentialité et leur protection peuvent varier selon votre utilisation, votre région et votre âge. Le développeur a fourni ces informations et peut les modifier ultérieurement.
Aucune donnée partagée avec des tiers
En savoir plus sur la manière dont les développeurs déclarent le partage
Cette appli peut recueillir ces types de données
Informations personnelles
Les données sont chiffrées lors de leur transfert
Vous pouvez demander la suppression des données
Nouveautés
Adds a Delete Identity capability for deleting the user's account in-app.
Fixes About screen links and X logo.
Fixes About screen links and X logo.
Assistance de l'appli
À propos du développeur
LINNAEUS ENTERPRISES LTD
support@linnaeus-enterprises.com
58 MALMESBURY ROAD
CHIPPENHAM
SN15 1PR
United Kingdom
+44 7944 866190
