Merge PDF Files Online: Combine PDFs

Choose files or click to browse Files stay in your browser during processing.

Select at least two PDF files.

View PDF Metadata Online

Use Tervilo PDF Metadata Viewer to inspect common information stored inside a PDF, including its title, author, subject, creator, producer, creation date and modification date. The original PDF is not modified.

What is PDF metadata?

PDF metadata is information stored in a document's properties. It can describe the document and the software used to create or process it. A PDF does not have to contain every metadata field.

What information can PDF metadata contain?

Title: the document title stored in the PDF.
Author: the author value recorded in the document properties.
Subject: an optional description or subject for the document.
Creator: the application recorded as the document creator.
Producer: the software or PDF library recorded as generating the PDF.
Creation date: a date stored in the PDF properties when available.
Modification date: a stored modification date when available.

Why does a PDF show “Not available”?

Some PDFs contain incomplete metadata. A field may be empty because the document was created without it, exported without preserving it, or processed later. Missing metadata does not mean the PDF is damaged.

Does PDF metadata prove who created a document?

No. Metadata can help with document inspection, but it can also be edited, replaced or removed. Treat it as document information rather than definitive evidence of authorship, ownership, creation time or authenticity.

PDF Metadata Viewer FAQs

Can I view the author of a PDF?

Yes, when an author value is stored in the PDF. If the field is empty, Tervilo shows “Not available”.

Can I check the creation date of a PDF?

Yes, when a creation date is stored in the document metadata. The date should not be treated as independent proof of when the file was created.

Why are some metadata fields empty?

PDFs do not always contain complete metadata. Different applications may omit or remove individual fields.

Does Tervilo change my PDF while viewing metadata?

No. The tool reads the PDF properties and leaves the original document unchanged.

About this tool

Merge PDF

Combine PDF files into one document while preserving the page content of each source. Review file order and the final page sequence before sharing the merged PDF. Very large, damaged or unusual files may use substantial browser memory.

About the Merge PDF

Merge PDF files when several related documents need to be distributed, archived or submitted as one file. This is especially useful for combining reports, scanned pages, invoices, forms, certificates, assignments and supporting documents into a single ordered PDF.

How to use the Merge PDF

Select two or more PDF files.
Check the selected file names and confirm the order before processing.
Click Merge PDFs. The browser reads each source document and appends its pages to a new PDF.
Download the generated PDF and open it once to confirm the page order, page count and readability.

How Tervilo processes your document

These PDF utilities are designed around browser-side processing. When a supported operation is performed, the selected file is read by JavaScript running in your browser and the result is generated locally. This approach can reduce the need to send ordinary document contents to a Tervilo application server.

When this tool is useful

Preparing documents for email, online submission or sharing.
Cleaning up a document workflow before printing or archiving.
Separating or combining supporting documents.
Converting information between common document formats for further editing or review.

Best practices

Use a meaningful filename after merging, such as project-report-supporting-documents.pdf. If the source PDFs contain confidential information, review the final document before sharing it.

Important limitations

Encrypted, damaged or unusually complex PDFs may not be readable by the browser library. Very large documents can consume significant browser memory.

Privacy and file handling

Tervilo's browser-oriented PDF utilities are intended to process supported files locally. Browser extensions, network policies and third-party libraries can affect how a browser environment behaves. For highly sensitive documents, verify the deployed implementation and use your organization's approved document-processing workflow.

Related PDF & document tools

Tervilo's PDF & Documents tools are designed to work together. You can also explore the PDF & Documents guides for step-by-step explanations, examples, conversion considerations and practical troubleshooting.

Questions & Answers

Frequently Asked Questions

Are my PDF files uploaded to Taskvora?

The V1 PDF tools are designed to process selected files in your browser rather than uploading them to a Taskvora application server. Always verify the behavior in your deployed environment before using highly sensitive documents.

Can I merge more than two PDFs?

Yes. The Merge PDF tool accepts multiple PDF files and combines their pages in the selected file order.

Does merging change the original files?

No. The source files are read in the browser and a new merged PDF is generated.