Best Free Online PDF Tools for Quick Browser-Based Tasks

Compare common PDF tasks and choose the right free online PDF tool for compression, merging, splitting, conversion, OCR, and security.

Choose the right PDF tool

Different PDF tasks need different tools. Pick the tool based on the problem you are trying to solve.

ToolBest for
Compress PDFReduce file size for upload or sharing.
Merge PDFCombine multiple PDFs into one file.
Split PDFExtract or separate pages.
Image to PDFConvert JPG, PNG, and photos into PDF.
OCR PDFMake scanned PDFs searchable.
Lock PDFPassword-protect PDF files.

Start with these tools

Honest notes

Compression can affect quality

Very small target sizes may reduce image clarity, especially for scanned PDFs.

OCR is for scanned text

Use OCR when text inside a scanned PDF is not selectable or searchable.

Keep original files

Always keep the original document before compressing, editing, or converting.

FAQ

Which PDF tool should I use first?

Start with the tool that matches your task: Compress PDF for size, Merge PDF for combining, Split PDF for pages, and OCR PDF for scanned text.

Can I use multiple tools on one file?

Yes. For example, merge documents first and then compress the final PDF.