Combinar PDF

Combina múltiples archivos PDF en un solo documento. Combinador de PDF gratuito con reordenamiento.

Upload PDF Files

Drag and drop PDF files here, or click to browse. You can add multiple files.

Files: 100

API para desarrolladores

Disponible por API

Automatiza este flujo PDF con la API de PDF Tools. Cada solicitud correcta cuesta 1 Credit y los intentos fallidos se reembolsan automáticamente.

/api/external/pdf-tools/merge-pdf1 Credit por solicitud correctaSalida: result.pdf

Documentación API Obtener API Key

curl -X POST https://itextmaster.com/api/external/pdf-tools/merge-pdf \
  -H 'x-api-key: YOUR_API_KEY' \
  -F 'files=@a.pdf;type=application/pdf' \
  -F 'files=@b.pdf;type=application/pdf' \
  -F 'options={}' \
  --output result.pdf

Acerca de esta herramienta

Combinar PDF te permite unir múltiples documentos PDF en un solo archivo. Sube tus archivos, ordénalos y combínalos en un documento cohesivo.

Todo ocurre localmente en tu navegador para máxima privacidad.

Cómo usar

Sube Archivos PDF
Arrastra y suelta múltiples archivos PDF o haz clic para seleccionar.
Ordena los Archivos
Arrastra las miniaturas para ordenarlos como desees.
Combina y Descarga
Haz clic en Combinar y descarga tu PDF unificado.

Casos de uso

Combinar Informes

Une informes mensuales en un documento anual.

Crear Portafolios

Combina documentos de proyectos en un portafolio profesional.

Consolidar Facturas

Une facturas para propósitos contables.

Practical guide

Why choose local processing?

PDF collections can contain contracts, invoices, identity details, or internal business information, so keeping processing in the browser reduces exposure.
The website tool is free to use with no usage limits and does not require sign-in.
Local processing also keeps iteration fast: adjust options, preview the result, and export a single ordered PDF without waiting for an upload queue.

Best files for this tool

Best for PDF files that open correctly in a modern browser and are not intentionally damaged or restricted.
Works well for everyday business, school, legal, finance, and personal documents where you need a single ordered PDF.
For very large files, close unused tabs and process one batch at a time so the browser has enough memory.

Common limitations

Encrypted or permission-restricted PDFs may need to be unlocked before processing.
Scanned pages, unusual fonts, complex layers, and damaged files can reduce accuracy or processing speed.
Browser memory and device performance matter more for local tools than for upload-based services.

Local processing vs upload-based tools

Local tools keep routine website processing on your device, while upload-based tools send files to a remote server.
Upload-based services can move heavy work off your computer, but they add transfer time and require trusting a server with your files.
Use the API when you intentionally need server-side automation; use the website when you want private manual processing.

What to do if processing fails

Try a smaller file, a shorter page range, or one file at a time if the browser runs out of memory.
If a PDF is encrypted, damaged, or restricted, unlock or repair it first and then retry the workflow.
If the output looks wrong, check whether the source file uses scans, complex transparency, form fields, or unsupported embedded objects.

API automation

Automate combine multiple documents with the PDF Tools API. Each successful request uses 1 Credit, and every signed-in user receives 100 free API Credits each month.

View API automation docs Create API Key

Preguntas frecuentes

¿Cuántos PDFs puedo combinar?

Hasta 100 archivos PDF con un tamaño total de 500MB.

¿Se mantiene la calidad?

Sí, se preserva la calidad original sin compresión.

¿Puedo combinar PDFs protegidos?

Necesitas descifrarlos primero con nuestra herramienta Descifrar PDF.

Dividir PDFOrganizar y Gestionar

Organizar PDFOrganizar y Gestionar

Combinación AlternadaOrganizar y Gestionar