Open the app, load your PDF, sign. Done in under 60 seconds. Works with your USB DSC token or a signature stamp image — no Java, no browser plugin, no cloud upload.
Never miss a tender deadline again.
Fully offline. Nothing uploaded.
Add a digital signature, handwritten signature, or company stamp to any PDF in under 60 seconds. Works with SafeNet, Thales, HID, Gemalto and Feitian tokens — any DSC USB token whose Windows driver is installed. No Java. No browser plugins. No cloud.
Your documents stay on your device — always.
Verify that PDFSign works with your USB DSC token, PDFs and workflow before you buy.
Includes up to 30 days or 100 signed PDFs (whichever comes first).
Trusted by procurement professionals, CA firms, and company secretaries across India
Trusted by lawyers, accountants, compliance teams, and procurement professionals worldwide
Designed to be as fast as possible, with no learning curve for existing DSC users.
Install and open PDFSign for Windows 10 or 11. No Java, no extra setup needed.
Drag and drop a PDF or pick from file. For bulk signing, add an entire folder.
Insert your USB DSC token or upload a signature/stamp image — whichever you have.
Enter your token PIN if using DSC, choose placement, and sign. Saved instantly.
Step-by-step video walkthroughs showing exactly how PDFSign works
If you've ever struggled with DSC signing, this will feel familiar…
If you've ever worried about sending confidential documents to a cloud service, you're not alone…
Built for Indian professionals — CA firms, lawyers, contractors, exporters, and businesses — who need fast, dependable DSC signing on any document.
Works with HyperPKI HYP2003, ePass 2003/3003, Proxkey, WD Pro, Feitian, Watchdata — any token from a CCA-licensed CA whose Windows driver is installed.
Upload your handwritten signature or company stamp as an image and embed it visually on any PDF — no DSC token required for this mode.
Sign multiple PDFs at once — sign hundreds of PDFs in one click. Perfect for tender submissions, GST invoices, certificates, and bulk document workflows. Learn about bulk PDF signing →
Restrict printing, editing, and copying of your signed PDF. Set a document open password or owner permissions — enforced by Adobe Acrobat.
Click anywhere on the PDF page preview to place your signature exactly where you want it — no guessing row/column positions.
Embed a trusted timestamp from a government-recognised TSA server — proves the document was signed at a specific point in time, even after cert expiry.
Your documents never leave your PC. Signing happens entirely on your machine — no uploads, no cloud, no third-party server sees your files.
Standard Adobe PKCS#7 signatures for GeM, CPPP, NIC e-Procurement, MCA21, Income Tax and DGFT filings. Signed files verified on GeM on 18 July 2026.
Not all PDF signing tools are equal — especially when your documents must be accepted on Indian government portals.
| Feature | PDFSign | SignFiles.com | eMudhra SignX | Online tools (DocuSign, SmallPDF etc.) |
|---|---|---|---|---|
| Works fully offline | ✓ | ✓ | Partial | ✕ |
| USB DSC token signing | ✓ | ✓ | ✓ | ✕ |
| Signature & stamp image mode | ✓ | ✕ | Limited | ✓ |
| Bulk signing (folder) | ✓ | ✓ | Paid add-on | ✕ |
| PDF security & permissions | ✓ | ✕ | ✕ | Paid plans |
| Pick position on PDF | ✓ | Grid only | Limited | ✓ |
| RFC 3161 trusted timestamp | ✓ | ✕ | ✓ | Some plans |
| No Java / no browser plugin | ✓ | ✓ | ✕ | ✓ |
| Team licence (multi-seat) | ✓ | ✕ | ✓ | ✓ |
| For GeM / CPPP / NIC filings | ✓ | ✓ | ✓ | ✕ |
| Expired cert warning | ✓ | ✕ | ✕ | ✕ |
| Indian payment (UPI / Razorpay) | ✓ | ✕ PayPal / card only | Varies | ✕ USD only |
| Free evaluation | Yes | 30 days | Limited | Free tier |
| India-specific support & onboarding | ✓ WhatsApp + email | ✕ Email only · EU-based | Varies | ✕ |
Comparison based on publicly available information. Features subject to change. Last updated April 2026.
Cloud tools upload your documents to their servers. We don't. Here's how PDFSign stacks up.
| Feature | PDFSign | DocuSign | Adobe Acrobat | Smallpdf / Online tools |
|---|---|---|---|---|
| Works fully offline | ✓ | ✕ | Partial | ✕ |
| Documents never uploaded to cloud | ✓ | ✕ | ✕ | ✕ |
| USB hardware token (Windows driver) | ✓ | ✕ | Limited | ✕ |
| Bulk signing (folder) | ✓ | ✕ | Paid add-on | ✕ |
| RFC 3161 trusted timestamp | ✓ | Some plans | ✓ | ✕ |
| One-time purchase option | ✓ | ✕ Subscription only | ✕ Subscription only | ✕ Per-doc fees |
| GDPR-friendly (no data stored) | ✓ | Partial | Partial | ✕ |
| Signature & stamp image mode | ✓ | ✓ | ✓ | ✓ |
| Team licence (multi-seat) | ✓ | ✓ | ✓ | ✓ |
| No Java / no browser plugin | ✓ | ✓ | ✓ | ✓ |
| Free evaluation | Yes | 30 days | 7 days | Free tier |
| Starting price | $2.99 / month | $15+ / month | $23+ / month | $12+ / month |
Comparison based on publicly available information. Features subject to change. Last updated May 2026.
Start free. Upgrade only if it works for you.
Used by professionals who can't afford signing failures. No per-signature fees. No hidden charges.
5-seat licence for your firm or office — one shared key, 5 Windows PCs
For occasional signers who need flexibility to start or stop any time.
Solo only — team not available monthly
Save ₹189 vs monthly. Best value for regular signers.
Pay once, use forever. Ideal for firms and power users who sign daily.
All prices are inclusive of GST · Free evaluation included · Payments via Razorpay (UPI, Cards, Net Banking) · GST invoice sent automatically to your email
Enter your details and we'll send your license key right after payment. No account needed.
CancelEvery feature is built around real signing workflows in India — tenders, audits, legal filings, GST, and export documents.
Built for professionals who handle sensitive documents — contracts, NDAs, filings, audits — and need PKI signatures without trusting a cloud server.
Bulk sign all bid documents in one go — for GeM, CPPP and NIC e-Procurement submissions.
Sign audit reports, balance sheets, and ITR documents. Organisation DSC supported.
Sign affidavits, plaints and agreements with your CCA-issued Class 3 DSC.
Sign GST invoices, LC documents, and DGFT filings. Batch mode saves hours.
Sign NDAs, vendor contracts, offer letters, and MoUs with signature stamp or DSC.
Sign official orders and certificates. Fully offline — documents never leave your PC.
Documents never leave your Windows PC. No cloud upload, no server — fully GDPR-safe for sensitive client files.
Sign contracts, NDAs, court filings and affidavits with the PKI certificate on your own token. What legal weight a signature carries depends on your certificate and the rules where you file — not on the software.
Sign financial statements, audit reports, and tax filings with your USB token. Bulk sign entire folders at once.
Sign NDAs, vendor contracts, offer letters, and MoUs. Use your USB PKI token or a signature stamp image.
Restrict printing, editing, and copying. Add open passwords. Lock down PDFs before sending to clients or courts.
Works with SafeNet iKey, Thales, HID ActivKey, Gemalto, WD Pro, Feitian, and any DSC USB token whose Windows driver is installed.
Everything you need to know before you sign your first PDF.
Most tools rely on Java applets, browser plugins, or cloud servers — all of which break with Windows updates, Chrome security changes, or internet issues. PDFSign reads your certificate straight from the Windows certificate store and signs through Windows' own crypto layer, with no browser or Java in the middle. That's why it works reliably.
PDFSign runs on Windows 10 and Windows 11 (64-bit). It requires .NET 10 Runtime, which the installer downloads automatically if not already present on your machine.
No. Signing happens 100% on your machine. Your documents never leave your computer. We have no access to your files, your DSC token, or its private key — ever.
PDFSign signs with your USB DSC token and writes a standard Adobe detached PKCS#7 signature (SHA-256) — the format Acrobat and Indian portals read. Signed files were verified on GeM on 18 July 2026; CPPP, NIC e-Procurement, MCA21, Income Tax and DGFT are what customers file with but we have no dated test result for them, so tell us if one ever rejects a file. Note: PDFs signed with only a stamp or handwritten image (without a DSC token) are not digitally signed and may not be accepted on government procurement portals that require a valid Class 2 or Class 3 DSC.
PDFSign signs with the X.509 certificate on your USB token and writes a standard Adobe detached PKCS#7 signature (/adbe.pkcs7.detached, SHA-256) that Adobe Acrobat verifies anywhere in the world. The legal weight comes from your certificate and the law where you file, not from the software — so we don't claim eIDAS, E-SIGN or any other statute on PDFSign's behalf. Two specifics worth knowing: PDFSign does not add eIDAS or ICP-Brasil policy identifiers to the signature, and EU qualified signatures additionally need a Qualified Certificate from a Qualified Trust Service Provider (QTSP). Our dated compatibility testing is on GeM (18 July 2026); we have not tested non-Indian government portals, so ask us before you commit to one.
Completely GDPR-safe. All signing happens entirely on your local Windows PC — your PDF is never uploaded to any server. We have zero access to your documents, your private key, or your signing PIN. The only data we collect is optional: your email address (if you enter it during purchase) and anonymous download counts. No document content ever leaves your machine.
PDFSign works with all major USB DSC tokens used in India — HyperPKI (HYP2003), ePass 2003/3003, Proxkey, Feitian, WD Pro, Watchdata, and any token from a CCA-licensed Indian CA whose Windows driver is installed.
PDFSign works with USB tokens that install a Windows driver — including SafeNet iKey, Thales Luna USB, HID ActivKey, Gemalto IDPrime, Feitian ePass, WD Pro and WatchData, from CAs worldwide. Install your token's Windows driver; once its certificate shows up in the Windows certificate store, PDFSign detects and uses it.
No. PDFSign is a native Windows desktop app. It requires no Java, no browser plugin, no admin rights, and no internet connection to sign PDFs.
Yes. If your DSC token has an organisation certificate, PDFSign shows it as a signing option alongside your personal certificate. The visible signature stamp on the PDF page shows your name and signing date. The organisation name is visible inside the signature certificate details — anyone who opens the Signatures panel in Adobe Acrobat Reader will see your name, organisation, and issuing CA in the validation panel.
Yes. PDFSign includes a Signature & Stamp Image mode. You can upload a PNG/JPG of your handwritten signature or company rubber stamp and embed it visually on any PDF page — no USB token required for this mode.
Point PDFSign at a folder, enter your PIN once, and it signs every PDF in that folder automatically — applying the same certificate, signature position, and settings to all files. Signed copies are saved to your chosen output folder.
Yes. PDFSign lets you set PDF permissions — restrict printing, editing, and content copying — and optionally add a document open password. These restrictions are enforced by Adobe Acrobat and compatible viewers.
An optional RFC 3161 timestamp embeds a cryptographic proof of when the document was signed, obtained from a trusted Timestamp Authority (TSA) server. That lets a reader see the signature was made while your certificate was still valid, instead of relying on the clock on your PC. It is not long-term validation (LTV): PDFSign does not embed revocation data (OCSP/CRL) or a /DSS dictionary, so a verifier still fetches revocation information itself. The timestamp is also best-effort — if the TSA is unreachable, PDFSign tells you and completes the signature without one.
Yes. PDFSign offers two placement modes: a 9-position grid (top-left to bottom-right) or click-anywhere on the PDF page preview to drop the signature stamp at a precise location.
Solo licences (Monthly, Annual, Lifetime) are for 1 Windows device. Team licences cover 5 PCs — ideal for CA firms, law offices, and corporate teams. You can transfer a solo licence to a new PC by contacting support.
The team plan (Annual ₹3,499/yr or Lifetime ₹13,999) covers 5 Windows PCs under one shared licence key. Each user in your firm gets their own copy of the app, activated with the same key. Ideal for CA firms, law offices, and tender-filing teams.
Yes. After licence activation (which requires internet once), the app works fully offline. PDF signing, batch processing, stamp image mode — all work without any internet connection.
PDFSign warns you before you sign if your certificate has expired, so you're never caught off guard. If you had RFC 3161 timestamps on previously signed documents, those signatures remain valid. You'll need to renew your DSC from your CA to sign new documents.
Yes. PDFSign works on any Windows PC worldwide. If you hold an Indian DSC token issued by a CCA-licensed CA, you can sign Indian government documents from anywhere — UAE, UK, USA, Canada, Australia, or any other country. The software has no geo-restriction.
PDFSign has a built-in Verify function. You can also open the PDF in Adobe Acrobat Reader and check the Signatures panel — it will show the certificate chain, signing time, and validity status. Signed PDFs also display a blue ribbon in Adobe when the signature is valid.
Yes. Every download includes a free evaluation. You can evaluate PDFSign for up to 30 days or 100 signed PDFs (whichever comes first) before choosing a subscription.
The purpose of the free evaluation is to let you verify that PDFSign works perfectly with your USB DSC token, PDF documents and signing workflow. If you regularly sign large numbers of PDFs, you can continue without interruption by upgrading to a paid plan.
Your documents, settings, saved signatures and templates remain safely stored on your computer. Only new PDF signing requires an active subscription.
PDFSign includes a free evaluation — up to 30 days or 100 signed PDFs — so you can fully evaluate it before buying. Because of that, all licence purchases are final and non-refundable, except where required by applicable law. See our Refund Policy for details.
From CA firms in Mumbai to contractors in Patna — anyone who needs to sign a PDF legally in India.
Sign audit reports, balance sheets, ITR acknowledgements, and client documents daily.
Sign affidavits, plaints, legal notices, power of attorney, court filings, and contracts.
Sign tender documents, bid submissions, and project reports for GeM, CPPP, and state portals.
Sign GST invoices, export documents, LC documents, and compliance certificates.
Sign employment contracts, NDAs, vendor agreements, offer letters, and MoUs at scale.
Sign official documents, orders, certificates, and reports for ministry and departmental use.
From legal firms in London to accounting practices in Toronto — any professional who needs to sign PDFs with a hardware token, offline.
Sign contracts, affidavits, court filings, NDAs, and legal notices with a cryptographically verifiable digital signature.
Bulk sign audit reports, financial statements, tax filings, and client documents at scale — without cloud upload.
Sign regulatory submissions, compliance certificates, and audit evidence without cloud exposure.
Sign patient consent forms, clinical trial documents, and regulatory submissions with a privacy-first approach.
Sign board resolutions, shareholder agreements, vendor contracts, and merger documents securely.
Roll out token-based signing across your organisation with no cloud dependency and no browser plugins.
If you hold an Indian DSC token, PDFSign works on your Windows PC — no matter which country you're in. Sign tender submissions, legal agreements, CA filings, and government documents from your office abroad.
NRI professionals filing documents for Indian property, business, or government portals.
Indian diaspora submitting GeM bids, MCA filings, or legal documents back home.
Indian business owners and CA firms managing Indian corporate filings remotely.
NRI entrepreneurs and exporters who need to sign Indian trade and compliance documents.
Indian professionals signing property, income tax, and business documents for India.
PDFSign has no geo-restriction. If Windows runs on your PC, it works — fully offline.
Your DSC token was issued in India — PDFSign makes it work wherever you are.
We're on a mission to make digital signing accessible to every Indian professional. Here's what's live and what's coming.
Sign one PDF or hundreds in a single click. Fully offline, standard Adobe PKCS#7 signature.
HyperPKI, ePass, Proxkey, Feitian, WD Pro, Watchdata — plug in and sign instantly.
Full Hindi interface for tier-2 and tier-3 city users. Marathi, Bengali, Tamil support planned.
Upload your handwritten signature or company rubber stamp image — embedded directly on any PDF page without a DSC token.
5-seat team licences available for CA firms, law offices, and tender-filing teams — Annual ₹3,499 or Lifetime ₹13,999.
Get your licence key and renewal reminders directly on WhatsApp — no email needed.
Install in one click from the Microsoft Store — verified publisher, automatic updates. Once installed, signing runs entirely offline on your own PC. Download now →
DSC token sellers, CA consultants, and IT professionals — partner with PDFSign and earn on every licence you refer. Enquire now →
We're on a mission to make offline digital signing accessible to every professional worldwide. Here's what's live and what's coming.
Sign one PDF or hundreds in a single click. Fully offline, standard Adobe PKCS#7 signature.
HyperPKI, ePass, Feitian, SafeNet, Gemalto, Yubikey — plug in any hardware token and sign instantly.
German, French, Spanish, and Portuguese interface planned. Localised for European and global markets.
Upload your handwritten signature or company seal image — embedded directly on any PDF page without a hardware token.
5-seat team licences for law firms, accounting practices, and compliance teams — billed annually or lifetime.
Native macOS app in development. Sign PDFs with your hardware token on Mac — fully offline, no cloud.
Install in one click from the Microsoft Store — Microsoft-verified publisher, automatic updates. Once installed, signing runs entirely offline; your documents never leave your computer. Download now →
Token resellers and IT consultants worldwide — partner with PDFSign and earn on every licence you refer. Enquire now →
Download now and sign your first PDF in under 1 minute. No credit card required. Works with the DSC token you already have.
For Windows 10 & 11 · Free evaluation — up to 30 days or 100 signed PDFs · No credit card needed
Sign any PDF offline, in seconds. Your documents never leave your computer. Works with any USB security token worldwide.
For Windows 10 & 11 · Free evaluation — up to 30 days or 100 signed PDFs · No credit card needed
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Step-by-step guides covering every DSC token, portal, and signing scenario.
Step-by-step guides for legal, compliance, and accounting professionals who sign with USB tokens.