See exactly what file converters
destroy in your macros
Upload an .xlsm or .docm file. Instantly see every VBA module, macro count, and a compatibility matrix showing which converters preserve vs. destroy them.
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📦 VBA Modules Detected
⚠️ Converter Compatibility Matrix
| Converter | Macro Handling | Your File | Verdict |
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Why do file converters destroy VBA macros?
Every major file conversion service — Smallpdf, Zamzar, ILovePDF, CloudConvert — runs files through sandboxed infrastructure. Macros are executable code, and allowing arbitrary VBA to run server-side is a security risk they're not willing to take. So they strip them silently.
The result: you upload an .xlsm with 3,000 lines of automation logic, convert it to .xlsx, and get back a spreadsheet that opens without errors — but all your macros are gone. No warning. No error message. Just silence.
Which file types are affected?
- .xlsm — Excel Macro-Enabled Workbook (VBA modules)
- .docm — Word Macro-Enabled Document (VBA + field codes)
- .xlam — Excel Add-In (macro libraries)
- .dotm — Word Macro-Enabled Template
- .pptm — PowerPoint Macro-Enabled Presentation
What searches lead people here?
Most people searching "xlsm to pdf keep macros" or "excel macro converter" don't realize macros can't survive a PDF conversion — PDF is a static format. What they actually need is xlsm → xlsx with macros preserved, or a way to audit what would be lost before converting.
This tool lets you see exactly what's at risk before you commit to a conversion pipeline.
Building a converter that handles this correctly?
The MacroKit Launch Research Kit contains 127 keywords, competitive gap analysis, and a technical architecture brief for building a macro-safe conversion SaaS — the only viable niche in file conversion that no major player has addressed. Get the $9 kit →