Work with PDFs online: assemble, extract, and review
This guide is for preparing receipts, application attachments, or a selected section of a larger document. Before choosing a tool, write down the recipient's request: one PDF, specific pages, a smaller file, or image copies. Those outputs need different operations, and converting everything to images can remove useful document behavior.
Keep every original and work on copies. Browser tools depend on file structure, size, and the memory available on your device. A PDF that opens in a viewer may still fail during processing; these tools do not provide a workflow for unlocking password-protected documents or repairing damaged files.
A practical decision workflow
1. Identify the starting material and required output
If you have pictures but need a PDF, use JPG to PDF: selected images become separate pages. If you already have PDFs, decide whether to combine whole documents or extract only relevant pages. Use PDF to JPG only when the recipient actually needs image files; it renders pages rather than extracting editable text.
2. Assemble the necessary pages in the right order
For multiple PDFs, add them to Merge PDF and use its up/down controls to set file order. It copies each document's pages in that order. To send a section of one PDF, use Split PDF and specify page numbers or ranges. Use positions in the loaded document, which can differ from printed page labels.
If a document contains unrelated attachments, extract the required pages before combining them with another file. Reopen the extracted copy first, so missing or repeated pages are caught before the final assembly.
3. Test compression after deciding the document contents
If the completed PDF exceeds an upload limit, try Compress PDF and compare the reported sizes. It rebuilds a document from copied pages; it does not offer a scanned-image quality slider or guarantee a smaller output. An already optimized or image-heavy PDF may show no effective reduction. Do not replace the original with a larger or unreviewed result.
4. Export images only when images are the deliverable
PDF to JPG lets you select all pages or a range and choose low, medium, or high quality. Its input limit is 20 MB; low/medium allow up to 30 selected pages, high up to 15. Download and inspect each JPG. Text becomes pixels, so search, selectable text, and interactive document features do not carry over as working features.
5. Reopen the exact file you will submit
Count pages and check first/last pages, order, orientation, small text, and missing content. If the original has forms, links, bookmarks, or signatures, verify those separately: page copying is not a promise to preserve document-level behavior or signature validity. Try the recipient's upload preview when available.
Worked examples
Send only pages 2 to 4 of a 12-page attachment
- Starting point
- A 12-page PDF, with three relevant pages at positions 2, 3, and 4.
- Expected result
- Split PDF in extraction mode with 2-4 produces a PDF containing those three pages.
Check the extracted pages rather than relying on a printed page number. If a cover sheet shifts the labels, document position 2 may not be the page printed as 2. Keep the 12-page source for another request.
Combine two receipts and a covering document
- Starting point
- Two JPG receipt images and a separate PDF cover document.
- Expected result
- Create the receipt PDF first, then combine that PDF with the cover in the intended file order.
JPG to PDF creates one page per selected picture in selection order; it does not add the existing cover PDF. Merge PDF handles that second step. Review the combined page count and do not assume compression will meet a particular upload limit.
Common mistakes and real limitations
- Using PDF to JPG to make a searchable PDF smaller changes the deliverable. It renders pages to images and does not perform OCR; returning those images to PDF does not restore selectable text.
- Repeatedly compressing a PDF is not a reliable route to a target size. The current compressor rebuilds pages without a user-selected image recompression level; compare actual bytes and stop if there is no gain.
- A supported extension does not guarantee compatibility. Encrypted, damaged, or unusually complex files can fail; large documents can exceed memory or tool-specific limits even on a recent browser.
- Do not treat extraction as secure redaction or assume that copied pages preserve every form, bookmark, or signature. Check the exported file and use an appropriate document workflow when those properties are required.
When to use each tool
Questions about this workflow
Can I force a PDF below a specific size?
There is no target-size guarantee. Try compression and compare the output. If the recipient permits a shorter document, extract only the required pages; do not remove required content or repeatedly convert formats just to reduce the number of bytes.
Can these tools unlock a protected PDF?
They do not offer a password-entry or unlocking workflow. Processing may fail for protected files. Obtain an authorized, compatible copy from the document owner and keep the source rather than assuming that changing tools will remove the restriction.
Do I need to check a merged PDF if every source opens?
Yes. Open the actual merged download, count the pages, and verify order and document features that matter. Viewing each source successfully does not prove the combined export has everything the recipient expects.