Convert BIG to PDF

Convert BIG to PDF with page and quality control. reaConverter handles multi-page documents with options for resolution and page selection.

Tired of converting BIG files one at a time? reaConverter processes entire folders to PDF automatically. Handles large batches reliably without crashes or timeouts. Offices rely on it for archiving and document management.

1. Download and Install reaConverter

reaConverter installs quickly on any Windows PC. No dependencies, no bloatware — just a clean setup that's ready to use immediately.

Install reaConverter

2. Load your BIG files

Add BIG files to reaConverter. One file or a thousand, the process is the same. Everything runs locally on your machine.

You can drag-and-drop files, browse to a folder, or add entire directory trees including subfolders.

3. Select PDF as output format

Set PDF as output format and select where to save your converted files. Customize quality settings if needed.

4. Start BIG to PDF conversion

Click the Convert button to start. reaConverter will process all your files with the settings you selected.

When finished, your new .pdf files will be waiting in the destination folder.

BIG to PDF Converter

reaConverter offers the fastest, simplest solution for converting your BIG files into PDF in seconds - all files processed on your PC for maximum privacy and speed.

Download Free Trial

Do more with your files

Converting BIG files for use in a workflow? reaConverter offers many ways to process files, so you can customize them according to your requirements.

Our range of editing options includes auto-processing options such as auto-rotate, auto-crop, watermarking and more. Change Color Space, copy Metadata, set DPI, manage ICC Profile, control Bit Depth.

Conversion features

User Reviews

Average User Rating:
Last updated on January 23, 2026

"This article was a lifesaver! I quickly converted multiple JPG files to PDF with ease. Other sites I visited only offered downloadable programs, but your online converter delivered instant results — way more efficient!"

Luis Perez

Happy Online User

"Convert PDFs instantly via right-click context menu — no need to open extra apps!"

Jessica M.

Satisfied Customer

"Our legal team processes hundreds of documents daily. reaConverter automates everything — PDF conversion, documents, image compression, you name it. It’s reliable, fast, and a huge time-saver."

Att. David K. Brooks

Legal Consultant

"After testing numerous converters, this is the first solution that maintains 100% image quality during PDF to JPG conversion while operating seamlessly — no crashes or slowdowns even with batch processing."

Kenneth H.

Satisfied Customer

"PDF is certainly a universal format, but sometimes you need JPEG files instead. For conversion, I use reaConverter — a lightning-fast program. No online editor can match its speed. Install it once, and you're set. Just open, convert, and done!"

Nathan Ward

Satisfied Customer

"I’ve tried dozens of converters, but reaConverter stands out. The OCR feature for scanned PDFs works flawlessly, and the software never crashes."

Emily K.

Satisfied Customer

BIG to PDF Conversion: FAQ

Can reaConverter convert BIG to PDF?

Yes! reaConverter instantly converts .big to .pdf with perfect quality preservation. With its batch processing feature, you can convert multiple files at once in just a few clicks. You can even convert images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert BIG to PDF online?

If you only need to convert a few BIG files to PDF format, feel free to try our free online free online BIG to PDF converter — perfect for small batches with no installation needed!

How can I turn BIG files into PDF on my computer?

The best way to change BIGs to PDFs on your PC is to install a quality piece of software, such as reaConverter. This software is extremely efficient in managing a wide range of batch files conversions, including conversion from BIG to PDF.

How can I automate BIG to PDF files conversion?

reaConverter supports all the most useful automation features such as right-click сonversion and Watch Folders for the most efficient automated files conversion in any software of this type.

Is there a way to convert BIG files to PDF using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line big to pdf converter for batch processing.

What else can I do with reaConverter?

Copy metadata (EXIF, IPTC)Convert RAW photos Change format settings Change DPI Convert Gerber files