Excel spreadsheets almost never print the way they look on screen. Columns get cut off, tables split awkwardly across pages, and charts land where they shouldn’t. While many turn to built-in settings, the most reliable way to fix these formatting headaches is to Convert Excel to PDF Online using tools designed for print-ready layouts.
To see how much of that formatting mess a online converter can actually fix, we put TeraBox Excel to PDF converter to the test. We ran a complex, 3-sheet quarterly sales workbook through the tool to see how it handled a real-world workflow.
Here is a quick look at our test setup and the results:
| Test Parameter | Our Test File & Results |
| File Size / Format | 4.2 MB (.xlsx) |
| File Structure | 3 Sheets (Multi-sheet workbook) |
| Complex Elements | 14-column wide tables, formulas, merged headers, 2 column charts, embedded product images |
| Upload Speed | ~8 seconds (Standard home connection) |
| Conversion Time | ~50 seconds |
| Output Quality | 100% formatted, margins intact, formulas calculated correctly |
Here is what worked, what needed a quick double-check, and how you can get clean, print-ready results in seconds.
How to Convert Excel to PDF Format
The simplest way to convert XLSX to PDF without installing software is a browser-based converter. We used TeraBox for the test workbook described above. Here’s how the process ran.
Step 1: Open the Excel to PDF Converter

Head to the Excel to PDF Converter in Terabox. No download or install required. The tool works on Chrome, Safari, Edge, and Firefox across Windows, Mac, and Linux.
Step 2: Upload Your Excel File

Click the upload area or drag your file directly into the browser. The tool supports both XLS (older Excel format) and XLSX (current format). You can also pull files straight from your TeraBox cloud storage if you’re logged in.
Our 4 MB workbook uploaded in about 8 seconds on a standard home connection.
Step 3: Start the Conversion

Once uploaded, hit convert. A progress bar showed the status while the tool processed the file. Our 3-sheet workbook with charts and images finished in just under a minute. Simpler single-sheet spreadsheets convert faster.
Step 4: Download or Share the PDF

When the conversion finished, the tool offered three options: download the PDF to your device, save it directly to your TeraBox cloud storage, or generate a shareable link. The link option is useful for sending final reports to clients without hitting email attachment limits.
What Happened to the Layout?
The output PDF shrank slightly to 3.2 MB (down from 4.2 MB), slightly smaller than the source workbook. All three sheets converted in the correct order, one per section, with the first sheet listed first. Column widths matched the original, and the wide 14-column table kept its structure without splitting mid-column.
Charts and product images rendered cleanly. Page breaks followed the print area settings we’d configured in Excel, though we had to check one break that landed between a chart title and the chart itself. Page orientation applied correctly (landscape for the wide sheets, portrait for the summary sheet). Merged header cells preserved their formatting. Formulas were converted to their calculated values, which is expected behavior for any PDF conversion.
One area to double-check: rows we’d hidden in Excel stayed hidden in the PDF, which was what we wanted. If your workbook has hidden data you actually need visible, unhide it before converting.
For occasional conversions, other online Excel to PDF converters like Smallpdf or iLovePDF work in a similar way.
Common Mistakes to Avoid When Saving Excel as a PDF
Most messy PDF outputs aren’t the converter’s fault. They come from oversights in the original Excel file. Here are the mistakes that ruin most conversions.
Not Setting the Print Area
Excel converts the entire sheet by default. If you have stray data in unused cells or hidden test values in row 200, they’ll show up in the PDF. Always set your print area (Page Layout > Print Area > Set Print Area) before converting.
Using Portrait Mode for Wide Tables
If your spreadsheet has 15 columns, portrait orientation will squeeze them into an unreadable mess. Switch to landscape in Page Layout settings before saving as PDF.
Ignoring Page Breaks
Excel places page breaks automatically, but they often land in awkward places (mid-table, between a chart and its data). Use Page Break Preview (View > Page Break Preview) to check and adjust before converting.
Converting the Wrong Sheet
Multi-sheet workbooks are a common trap. Confirm you’re converting the correct sheet, not the whole workbook, unless that’s what you actually want.
Hiding Important Rows or Columns
Hidden rows and columns usually stay hidden in the PDF. If a client needs to see them, unhide before converting. If they shouldn’t see them, double-check nothing sensitive is buried in the hidden data.
Skipping the Final Review
Always open the finished PDF and scroll through every page before sending. A 30-second check saves you the embarrassment of sending a report with a chart cut in half.
More PDF Tools You May Need
Depending on your daily workflow, you might need to convert files back and forth. It is always a good idea to bookmark these related tools:
- l PDF to Excel: For extracting clean tabular data back into an editable spreadsheet.
- l Word to PDF / PPT to PDF: For freezing layouts before sharing official documents or presentations.
- l JPG to PDF / PNG to PDF: For merging multiple images or receipts into a single document.
- l PDF to Word: For quick text edits on static files.
TeraBox Format Converter covers most of these file types, so you can handle all your document workflows in one place without jumping between different websites.
Conclusion
Getting a clean Excel PDF comes down to two things: spending two minutes preparing your sheet in Excel, and letting a smart converter handle the heavy lifting.
For our test workbook, TeraBox handled the formatting beautifully, cutting the usual manual adjustments down to a minimum. If you’re looking to speed up your document workflow without installing yet another desktop app, it’s a quick, reliable option that simply gets the job done.
FAQs
Is it safe to convert Excel to PDF online?
Yes, as long as you use a trusted service. TeraBox describes its Excel-to-PDF conversion process as safe and private, with files protected from the moment they are uploaded until the converted PDF is ready. For highly confidential spreadsheets, it is still a good idea to review the platform’s privacy policy before uploading.
What’s the difference between XLS and XLSX?
XLS is the older Excel format used before 2007. XLSX is the current standard, based on Open XML. Most XLSX to PDF converters handle both formats without issue.
Will formulas be preserved in the PDF?
No. PDFs show the calculated values, not the formulas behind them. If you need editable formulas, share the original Excel file instead.
Can I convert multiple sheets at once?
Yes. Most converters, including TeraBox, will process an entire workbook or let you select specific sheets before conversion.
Do I need to install anything to convert Excel to PDF online?
No. Browser-based tools like TeraBox work without any downloads. Just upload, convert, and download the finished PDF.
Is TeraBox free to use for Excel to PDF conversion?
TeraBox offers a free plan with cloud storage. Paid access may be required for advanced features or higher usage limits, so users should check the current plan details before using it.

















