Inicio rápido

Esta guía cubre todas las funciones de pdfFiller:
- Empezando — Create your account and set up the online PDF editor
- Cómo usar un editor de PDF — Change text, add images, and rework any PDF document online
- Cómo usar la firma electrónica — Create digital signatures and send contracts out for signing
- Cómo usar el marcado de PDF — Highlight text, add sticky notes, and mark up any page
- Cómo usar PDF para convertirlo a Word — Turn locked PDFs into .docx files you can rewrite
- Cómo usar PDF a JPEG — Export single pages as images for slides or social posts
- Cómo usar Word para convertirlo a PDF — Lock a draft so fonts and spacing never shift
- Cómo usar JPEG para convertir a PDF — Combine receipts or scans into a single tidy file
- Cómo usar el creador de formularios — Build online forms with text fields, dates, and dropdowns
- Cómo usar la función Proteger PDF — Add passwords, redact text, and set viewing permissions
Tiempo necesario: 5 minutos por función
También en esta guía: Consejos profesionales | Errores comunes | Solución de problemas | Precios | Alternativas
¿Por qué confiar en esta guía?
I’ve used pdfFiller for eight months and tested every feature covered here.
Este tutorial se basa en trabajo práctico real, no en capturas de pantalla del proveedor.
It works as a PDF filler, an editor, and a signing tool in one tab.

pdfFiller is one of the strongest PDF tools available today.
Most people only ever use it to add texto and stop there.
This guide shows you how to use pdfFiller properly, feature by feature.
Paso a paso, con capturas de pantalla y consejos profesionales.
Tutorial de pdfFiller
This How to Use pdfFiller tutorial walks through every feature, from your first upload to advanced PDF editing tricks.

Relleno de pdf
Edit, sign, and store every PDF document in one browser tab. pdfFiller is a cloud-based comprehensive solution for document management that works on any device. Start free and upgrade only when you need more.
Primeros pasos con pdfFiller
Before any feature works, finish this one-time setup.
Tarda unos tres minutos.
Here is what the first week looked like for me:
Ahora vamos a repasar cada paso.
Paso 1: Crea tu cuenta
Go to the pdfFiller website and click Start Free Trial.
pdfFiller requires an account before you can upload documents.
✓ Control: Comprueba tu bandeja de entrada para el correo electrónico de confirmación.
Paso 2: Abra el panel de control
pdfFiller runs in any browser, so you never install software.
Mobile and Impermeable users get the same editor with no additional software needed.
Así es como se ve:

✓ Control: You should land on the Dashboard with an Add New button.
Paso 3: Conecta tu almacenamiento en la nube
Link Google Drive, Dropbox, Box, or OneDrive under Settings.
Now you can pull in a file from anywhere in just a few clicks.
✅ Hecho: You’re ready to use every feature below.
Cómo usar el editor de PDF pdfFiller
Editor de PDF lets you edit PDF documents in your browser without extra downloads.
Aquí te mostramos cómo usarlo paso a paso.
Paso 1: Sube tu archivo
Click Add New on the Dashboard.
You can upload from your computer, email, or cloud storage.
Step 2: Turn On Edit Mode
Switch on Edit PDF mode from the top toolbar.
You can edit PDF online from any device with a browser.
Así es como se ve:

✓ Control: The text field turns editable with a blinking cursor.
Step 3: Save Your Work
Click Done, then save or download the finished PDF.
✅ Resultado: You just learned how to edit PDF files without extra software.
💡 Consejo profesional: Hold Ctrl and click two text boxes to move them together.
Cómo usar la firma electrónica de pdfFiller
Firma electrónica lets you sign documents and collect signatures from multiple recipients.
Aquí te mostramos cómo usarlo paso a paso.
Paso 1: Crea tu firma
Open the Sign tool in the editor toolbar.
You can type it, upload an image, or easily draw it with a mouse.
Paso 2: Coloque la firma
Drag your signature onto the right spot in the document.
Así es como se ve:

✓ Control: Your signature sits inside the document, not on a separate layer.
Paso 3: Enviar para firma
Use SendToSign to invite others by email or link.
El auditoría trail records every view and every signature with a timestamp.
✅ Resultado: You can now sign PDFs and route formal agreements for approval.
💡 Consejo profesional: Save two signature styles: a full legal one and a quick initial.
How to Markup PDFs in pdfFiller
PDF con formato lets you highlight, comment, and leave notes on static PDFs.
Aquí te mostramos cómo usarlo paso a paso.
Paso 1: Abra las herramientas de marcado.
Pick the highlighter, pen, or sticky note icon.
Step 2: Mark the Page
Drag across the text you want to flag.
Sticky notes work well for questions your team needs to answer.
Así es como se ve:

✓ Control: Your highlights show in the right sidebar as a comment list.
Step 3: Share the Marked File
Send the link or download the annotated copy.
✅ Resultado: Your feedback is attached to the exact spot on the page.
💡 Consejo profesional: Use one highlight colour per reviewer so edits stay easy to trace.
Cómo usar pdfFiller para convertir PDF a Word
PDF a Word lets you convert PDF files into editable Word documents.
Aquí te mostramos cómo usarlo paso a paso.
Step 1: Pick the Converter
Choose PDF to Word from the tools menu.
Step 2: Upload and Convert
Drop in your file and press Convert.
Most files finish in under a minute.
Así es como se ve:

✓ Control: The preview shows real text, not a flat scanned image.
Paso 3: Descargar el resultado
Save the Word file to your device or Google Drive.
✅ Resultado: You have an editable Word copy of a once-static file.
💡 Consejo profesional: Convert scanned pages twice if columns come out jumbled the first time.
Cómo usar pdfFiller para convertir PDF a JPEG
PDF a JPEG lets you turn PDF pages into image files you can post anywhere.
Aquí te mostramos cómo usarlo paso a paso.
Step 1: Open the Tool
Select PDF to JPEG from the tools list.
Step 2: Choose Your Pages
Pick every page or just the ones you need.
Each page becomes its own image file.
Así es como se ve:

✓ Control: The page count matches the number of images produced.
Step 3: Download the Images
Grab the ZIP file or single image.
✅ Resultado: Your PDF pages are now images ready for any browser or deck.
💡 Consejo profesional: Crop the exported image later rather than shrinking the PDF page first.
Cómo usar pdfFiller para convertir Word a PDF
Word a PDF lets you convert Word files into fixed PDFs that keep their layout.
Aquí te mostramos cómo usarlo paso a paso.
Step 1: Upload the Document
Select Word to PDF and add your .docx file.
Step 2: Check the Preview
Scan the preview for broken fonts or spacing.
Fix the source file if anything looks off, then convert again.
Así es como se ve:

✓ Control: Page breaks land exactly where they did in Word.
Step 3: Save or Send
Download it or send it straight for signatures.
✅ Resultado: Your draft is now a fixed PDF nobody can accidentally rewrite.
💡 Consejo profesional: Embed unusual fonts in Word first so the PDF renders them correctly.
Cómo usar pdfFiller para convertir JPEG a PDF
JPEG a PDF lets you merge photos and phone scans into one PDF document.
Aquí te mostramos cómo usarlo paso a paso.
Step 1: Add Your Images
Upload photos from your device or camera roll.
Step 2: Set the Page Order
Drag the thumbnails into the order you want.
You can rotate crooked scans here too.
Así es como se ve:

✓ Control: The thumbnail strip shows every image as its own page.
Step 3: Create the PDF
Press Convert and save the merged file.
✅ Resultado: Loose photos are now one clean file you can print or email.
💡 Consejo profesional: Shoot scans on a dark table so page edges get detected properly.
Cómo usar el creador de formularios pdfFiller
Forma Constructor lets you create fillable PDF forms people can complete online.
Aquí te mostramos cómo usarlo paso a paso.
Step 1: Start a New Form
Open Form Builder and load a blank or existing file.
The built-in library of templates saves time on common paperwork.
Step 2: Drop In Form Fields
Add text fields, check boxes, dropdowns, and signature fields.
Así es como se ve:

✓ Control: Each field shows a blue outline in the editor.
Paso 3: Publicar y compartir
Copy the share link and send it to your list.
Conditional logic hides fields until an earlier answer triggers them.
Filling the form then takes seconds for whoever receives your link.
✅ Resultado: You built fillable forms that anyone can complete in a browser.
💡 Consejo profesional: Mark only truly required fields, or completion rates drop fast.
How to Protect PDFs in pdfFiller
Proteger PDF lets you password-protect files and redact sensitive data.
Aquí te mostramos cómo usarlo paso a paso.
Paso 1: Abra la configuración de seguridad.
Choose Protect PDF from the tools panel.
Paso 2: Establezca una contraseña
Type a password and confirm it.
You can also store the file in an encrypted folder.
Así es como se ve:

✓ Control: A small lock icon appears next to the file name.
Step 3: Redact Sensitive Details
Use the redaction tool to black out private data.
Redaction removes the text underneath, unlike a plain black box.
✅ Resultado: Your document meets the seguridad bar your clients expect.
💡 Consejo profesional: Redact before you add watermarks, or the marks can hide missed data.
Consejos y atajos profesionales de pdfFiller
After eight months of daily editing, these habits enhance my speed the most.
Atajos de teclado
| Acción | Atajo |
|---|---|
| Save the document | Ctrl + S |
| Undo the last edit | Ctrl + Z |
| Search inside the file | Ctrl + F |
| Print the current page | Ctrl + P |
Características ocultas que la mayoría de la gente pasa por alto
- Camera scanning: Snap pages with your phone and upload them straight into the PDF editor.
- Reusable templates: Save a finished form as a template, and save time on recurring contracts.
- Page manager: Rotate, duplicate, or delete pages without touching a separate merge tool.
Errores comunes que debes evitar al usar PDF Filler
Mistake #1: Typing over text instead of editing it
❌ Incorrecto: Dropping a fresh text box on top of the old line.
✅ Derecha: Turn on Edit PDF mode first, then click the existing text fields.
Mistake #2: Treating a black box as redaction
❌ Incorrecto: Drawing a filled rectangle over private data and calling it done.
✅ Derecha: Use the redaction tool, which strips the text underneath the mark.
Mistake #3: Emailing forms instead of sharing a link
❌ Incorrecto: Sending attachments to multiple recipients and merging replies by hand.
✅ Derecha: Share one link so every response lands in the same place.
Solución de problemas de pdfFiller
Problem: Text won’t change when I click it
Causa: The page is a scan, so the words are really an image.
Arreglar: Run the file through PDF to Word, edit there, then convert back.
Problem: My signature looks blurry
Causa: The uploaded signature image was too small.
Arreglar: Draw it in the editor instead, or upload a 600px-wide transparent PNG.
Problem: A recipient can’t open the file
Causa: The PDF is password-protected or the share link expired.
Arreglar: Reissue the link and send the password through a separate channel.
📌 Nota: Si ninguna de estas soluciones resuelve su problema, póngase en contacto con el soporte técnico de pdfFiller.
¿Qué es pdfFiller?
Relleno de pdf is a cloud-based online PDF editor for creating, editing, and signing paperwork.
Think of it as a word processor that never breaks your PDF layout.
It turns manual, paper-based workflows into real-time digital services.
As a PDF form filler, it handles everything from static PDFs to signed contracts.
Mira este breve resumen:
Incluye estas características clave:
- Editor de PDF: Change text, add images, and rework any PDF document online
- Firma electrónica: Create digital signatures and send contracts out for signing
- Marcar PDF: Highlight text, add sticky notes, and mark up any page
- PDF a Word: Turn locked PDFs into .docx files you can rewrite
- PDF to JPEG: Export single pages as images for slides or social posts
- De Word a PDF: Lock a draft so fonts and spacing never shift
- JPEG to PDF: Combine receipts or scans into a single tidy file
- Generador de formularios: Build online forms with text fields, dates, and dropdowns
- Proteger PDF: Add passwords, redact text, and set viewing permissions
Security is handled properly too, with HIPAA, SOC 2 Type II, and PCI DSS compliance.
Para una revisión completa, consulte nuestra Reseña de pdfFiller.

Precios de pdfFiller
Esto es lo que cuesta pdfFiller en 2026:
| Plan | Precio | Mejor para |
|---|---|---|
| Básico | $8/mes | Solo users editing a few PDF files each month |
| Más | $12/mes | Trabajadores autónomos who need form fields and templates |
| De primera calidad | $15/mes | Teams sending contracts with an audit trail |
Prueba gratuita: Yes, 30 days with full editing and signing access.
Garantía de devolución de dinero: Refunds are handled case by case by support.

💰 Mejor relación calidad-precio: Plus — it unlocks fillable fields without the team-level price.
pdfFiller frente a alternativas
¿Cómo se compara pdfFiller? Este es el panorama competitivo:
| Herramienta | Mejor para | Precio | Clasificación |
|---|---|---|---|
| Relleno de pdf | Online editing and signing | $8/mes | ⭐ 4.5 |
| Experto en PDF | Mac-first editing | $79.99/año | ⭐ 4.6 |
| Foxit | Enterprise document management | $14,99/mes | ⭐ 4.4 |
| TenorShare | Budget conversions | $19.95/mes | ⭐ 4.0 |
| Elemento PDF | All-round value | $79.99/año | ⭐ 4.5 |
| Nitro PDF | Negocio flujos de trabajo | $14,99/mes | ⭐ 4.4 |
| Centro de documentos | Firma gratuita | $14/mes | ⭐ 4.3 |
| UPDF | Características modernas de la IA | $47.99/yr | ⭐ 4.4 |
Selecciones rápidas:
- Mejor en general: pdfFiller — full PDF editing, forms, and signing in one browser tab.
- Mejor presupuesto: DocHub — a usable free tier for occasional signing.
- Ideal para principiantes: pdfFiller — the toolbar explains itself in minutes.
- Mejor para Impermeable: PDF Expert — the fastest reader on Apple hardware.
🎯 Alternativas a pdfFiller
¿Buscas alternativas a pdfFiller? Aquí tienes las mejores opciones:
- 🚀 Experto en PDF: Fast native Mac app with the smoothest reading and annotation experience on Apple dispositivos.
- 🏢 Foxit: Desktop-grade editing with strong admin controls for larger teams managing documents at scale.
- 💰 TenorShare: Cheap PDF tools aimed at quick conversions and repairs rather than full document management.
- 🌟 Elemento PDF: Balanced desktop editor with OCR and batch processing at a friendly one-time price.
- 💼 Nitro PDF: Strong Windows editor with e-signature and analytics built for finance and legal teams.
- ⭐ DocHub: Generous free tier for signing and light editing straight from Gmail or Google Drive.
- 🧠 UPDF: Clean cross-platform editor with AI summarising and a low lifetime licence price.
Para ver la lista completa, consulte nuestra Alternativas a pdfFiller guía.
⚔️ Comparativa de pdfFiller
Así es como pdfFiller se compara con cada competidor:
- pdfFiller vs PDF Expert: PDF Expert wins on Mac speed, but pdfFiller wins for online forms and signing.
- pdfFiller vs Foxit: Foxit suits big IT rollouts, while pdfFiller is faster for browser-only teams.
- pdfFiller vs TenorShare: TenorShare is cheaper, but pdfFiller offers real form building and e-signature workflows.
- pdfFiller vs PDFelement: PDFelement handles bulk desktop work better, while pdfFiller keeps everything in the cloud.
- pdfFiller vs Nitro PDF: Nitro leads on Windows integration, though pdfFiller is easier for remote signing.
- pdfFiller vs DocHub: DocHub is friendlier free, but pdfFiller adds conditional logic and a deeper template library.
- pdfFiller vs UPDF: UPDF costs less long term, while pdfFiller stays ahead on fillable forms and compliance.
Empiece a usar pdfFiller ahora
Aprendiste a usar todas las funciones principales de pdfFiller:
- ✅ Editor de PDF
- ✅ Firma electrónica
- ✅ Marcar PDF
- ✅ PDF a Word
- ✅ PDF a JPEG
- ✅ Word a PDF
- ✅ JPEG a PDF
- ✅ Creador de formularios
- ✅ Proteger PDF
Siguiente paso: Elige una función y pruébala ahora.
Most people start with the PDF Editor.
Tarda menos de cinco minutos.
Preguntas frecuentes
¿Cómo se utiliza pdfFiller?
Upload a PDF document, open it in the editor, then add text, fillable fields, or a signature. Save it to the cloud or download it to your device.
¿Es pdfFiller realmente gratuito?
No. pdfFiller offers a 30-day free trial with full access, but paid plans start at $8/month afterwards. A free account alone cannot download finished files.
¿Cómo puedo rellenar un formulario PDF que me enviaron por correo electrónico de forma gratuita?
Save the attachment, upload it during your trial, then type into the form fields and sign. Download the completed file before the trial period ends.
¿Es pdfFiller mejor que DocuSign?
For editing PDFs, yes. DocuSign is stronger for pure signature workflows at enterprise scale, while pdfFiller handles editing, forms, and signing together.
¿Cómo imprimir un documento desde pdfFiller?
Open the file, click Done, then choose Print from the save menu. You can also download it first and print from your computer.













