拆分 PDF

How to Split PDF Free Online (Extract Pages — Step-by-Step)

Need to split a PDF free online? FileLumo extracts selected pages or splits a long PDF into separate files — no account, no install. Use it when a portal wants only page 1, or when you must share one chapter without the whole report.

When to use Split PDF Free Online

• Extract selected pages from a long PDF for email or upload
• Split PDF into multiple files before sharing with different teams
• Pull only the certificate or ID page from a merged packet
• Break oversized PDFs so each part fits a portal size limit

How it works

1. 1Click Choose Files or drag your PDF into the upload box
2. 2Select pages, ranges, or split mode
3. 3Click Split and wait for processing
4. 4Download your new PDF files with no signup and no watermark

Split PDF vs extract pages

Extracting pages keeps only what you select in one new PDF. Splitting into many files is better when each section goes to a different person or upload form. After splitting, compress large parts with Compress PDF if a portal still rejects the size.

• Check page numbers before you download
• Keep the original full PDF as a backup
• Merge again later if you need one packet

Before you upload to Split PDF Free Online

Check the file you are about to process, especially when it contains contracts, IDs, invoices, payroll details, legal drafts, school records, or client information. FileLumo is designed for quick no-signup workflows, but the safest document workflow still starts with choosing the right file and keeping an untouched original copy.

• Keep a master copy before editing, compressing, converting, or protecting a document
• Remove pages you do not need to share before uploading sensitive packets
• Use a clear filename for the downloaded result so drafts and final copies do not get mixed up

Privacy, limits, and output quality

Most PDF jobs are simple, but edge cases happen: very large scans, unusual fonts, password-protected files, embedded images, and old PDF versions can change the output. After processing, open the result once before sending it to a client, school, court portal, or upload form. Server-side workflows use TLS in transit. FileLumo does not store your files — download your result to keep a copy.

• Use medium or balanced settings first when quality matters more than the smallest possible file
• For strict upload limits, compare the final file size against the portal requirement before submitting
• For confidential documents, review your organization policy before using any third-party online tool

Frequently asked questions