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Frequently Asked Questions
Before reaching out, you might find your answer in our FAQ section.
Is COB really free?
Yes! COB is completely free to use with no hidden fees or registration required.
Are my files secure?
Absolutely. Client-side conversions never leave your device. Server-side files are deleted immediately after conversion.
How many files can I convert?
You can convert up to 5 files at once with our bulk conversion feature.
What file formats are supported?
We support DOCX, PPTX, XLSX, PDF, PNG, JPG, GIF, WebP, and HTML.