Sign PDF Documents Online & Free
Add handwritten signatures to your PDFs in seconds. No software installation required.
Powerful PDF Signing Features
Everything you need to sign PDF documents professionally. Fast, secure, and completely free, with no registration required.
Handwritten Signature Canvas
Draw your signature naturally using a mouse, trackpad, or touchscreen. Every stroke is captured cleanly so the result still looks like your real handwriting.
Personal Signature Library
Save signature variants once and reuse them anytime. Keep a formal version for contracts and a quick one for approvals without redrawing each time.
Drag & Drop Positioning
Place signatures exactly where they belong, then move them again if needed. The live preview makes it easy to align signatures cleanly on every page.
Multi-Page PDF Support
Navigate page by page, sign only the pages you need, or apply the same signature across the whole document in one action.
Instant PDF Download
Download your signed PDF immediately after finishing. Signatures are embedded into the document so the file stays usable in any major PDF reader.
100% Private & Secure
Your documents stay on your device. Processing happens locally in the browser, so there is no upload queue and no server-side document storage.
Why Choose PDF Signer?
Compare our free, secure, browser-based PDF signing tool with paid alternatives that require subscriptions or installations.
PDF Signer
- Browser-based, no installation
- Unlimited signatures
- Multi-page support
- 100% private & secure
- No watermarks
- Works on all devices
- Instant download
- No registration needed
Adobe Acrobat
- Requires installation
- Subscription required
- Complex interface
- Cloud upload required
- Limited free features
- Desktop software
- Slower workflow
- Account registration
DocuSign
- Monthly subscription
- Only 3 free documents per month
- Email verification required
- Cloud storage required
- More complex workflow
- Limited customization
- Paid extras
- Account required
All Features Included Free
Handwritten Signatures
Draw natural signatures with a mouse or touchscreen
Signature Library
Save and reuse unlimited signatures
Multi-Page Signing
Sign all pages or selected pages individually
Drag & Drop Positioning
Place signatures exactly where needed
Instant PDF Download
Download signed PDFs immediately
100% Private & Secure
All processing happens locally in your browser
No Watermarks
Export clean, professional signed documents
No Registration Required
Start signing PDFs immediately
Unlimited Document Signing
Sign as many documents as you need
Works Offline
Keep signing even without an internet connection
No credit card required. No hidden fees. No software installation.
Start Signing PDFs for FreeLightning Fast
Sign PDFs in under a minute with no waiting or upload delays.
Bank-Level Privacy
All processing stays local, so your documents never leave your device.
Unlimited Signing
Sign as many documents as you need with no usage cap or fees.
Trusted by Professionals Worldwide
Join business owners, real estate agents, HR teams, and consultants who use PDF Signer to handle everyday document signing faster.
Sarah Mitchell
Real Estate Agent
I sign listing agreements and contracts daily. PDF Signer saves me from printing, signing, and scanning every time.
James Chen
Small Business Owner
I can sign invoices and contracts on the go without paying for another PDF subscription.
Maria Rodriguez
HR Manager
Our team processes employee documents every month, and the saved signature library cuts the repetitive work down dramatically.
David Thompson
Freelance Consultant
The local-only workflow matters a lot for NDAs and client paperwork. It feels much safer than uploading files elsewhere.
Lisa Anderson
Legal Assistant
Apply to All Pages makes long contracts much faster to finish than the tools we used before.
Michael Brown
Property Manager
No watermark, no signup wall, just a fast signing flow that works when I need it.
Ready to Sign Your First PDF?
No registration, no credit card, no catch. Start signing documents professionally in under 60 seconds.
Try PDF Signer Free NowCommon Questions About PDF Signing
Everything you need to know about signing PDF documents online with our free tool.
Still have questions?
Try It Now - It's FreeStop Wasting Time Printing, Signing, and Scanning
Sign PDFs online with handwritten signatures in seconds, not minutes.
Upload your PDF, draw your signature once, place it on any page, and download the finished file instantly. Everything stays in your browser.
¿Por qué elegir PDF Signer?
PDF Signer es una herramienta basada en el navegador para añadir firmas manuscritas a documentos PDF sin instalar software adicional. Está pensada para contratos, acuerdos, formularios, facturas y otros archivos habituales que necesitan una firma visible rápidamente.
Puedes guardar firmas reutilizables, colocarlas en varias páginas, arrastrarlas a la posición correcta y descargar el PDF firmado al instante. Todo el flujo se centra en firmar, sin obligarte a entrar en una suite documental más compleja.
Rápido y fácil
Sube tu PDF, crea una firma con el ratón o el panel táctil, colócala y descarga el resultado en menos de un minuto.
100 % seguro
Todo el procesamiento ocurre localmente en tu navegador, por lo que tus documentos permanecen en tu dispositivo.
Firmas reutilizables
Guarda varias firmas en tu biblioteca y reutilízalas en futuros documentos sin dibujarlas de nuevo.
Preguntas frecuentes
Todo lo que necesitas saber sobre cómo firmar documentos PDF en línea con PDF Signer.
Casos de uso de PDF Signer
Contratos comerciales
Firma acuerdos, NDAs, documentos de ventas y archivos de proveedores sin imprimir ni escanear.
RR. HH. y onboarding
Gestiona cartas de oferta, acuses de políticas y formularios de empleados con un flujo de firma más ágil.
Documentos inmobiliarios
Añade firmas a contratos de alquiler, formularios y documentos de propiedad desde cualquier dispositivo.
Facturas y aprobaciones
Firma presupuestos, facturas y PDFs internos de aprobación en pocos clics.
Formularios escolares y administrativos
Completa autorizaciones, formularios de inscripción y documentos de oficina sin impresora.
Documentos personales
Firma solicitudes, cartas y PDFs puntuales rápidamente cuando solo necesitas una firma visible.
Guías populares para firmar PDF
Explora páginas centradas en las búsquedas y flujos más comunes para firmar PDF.
Firmar PDF gratis
Firma archivos PDF en línea gratis. Añade una firma manuscrita en tu navegador, mantén tus documentos en privado y descarga el PDF firmado al instante.
Añadir firma a PDF
Añade una firma a un PDF en línea con un flujo simple en el navegador. Dibuja, coloca y descarga tu archivo firmado sin software extra.
Firmar PDF sin imprimir
Firma un PDF sin imprimir ni escanear. Usa un firmador PDF en el navegador para añadir tu firma y descargar el documento firmado en un solo flujo.
Firmar contrato PDF en línea
Firma contratos PDF en línea con un flujo simple en el navegador. Añade una firma manuscrita, revisa la colocación y devuelve el contrato firmado rápidamente.
Rellenar y firmar PDF
Rellena y firma un PDF en línea con un flujo basado en navegador. Completa el documento, añade tu firma y descarga rápidamente el PDF final.