Send Large Files Easily and Securely
Email is still the first choice for sharing documents. The problem is that most email providers still limit attachments to 20–25 MB - a frustrating restriction as soon as you need to send a large file.
OWL Transfer, August 2026
As a result, users often have to compress files, split them into multiple parts, or rely on third-party file transfer services with varying file size limits, unpredictable retention periods, and security levels that aren't always suitable for sensitive information.
This limitation has become even more apparent as files continue to grow in size. Whether you're sharing business documents, personal files, or large media, today's workflows have evolved - but email attachment limits have remained virtually unchanged.
OWL Transfer was built to solve this problem. As part of our platform launch, our free plan currently allows you to send files up to 300 MB, with no account required and no complicated setup. This limit will gradually increase as the platform continues to evolve.
For users with larger requirements, the Premium plan supports file and folder transfers of up to 150 GB, while the Infinite plan increases that limit to 500 GB, with features designed for frequent users and businesses.
Large file transfers shouldn't come at the expense of privacy. That's why OWL Transfer includes end-to-end PGP encryption, ensuring that only authorized recipients can decrypt, access, and download your files. For PDFs and videos, our OneTimeView technology allows content to be viewed directly in the browser while preventing, in most environments, downloads, screenshots, and screen recordings. For even greater protection, a visible watermark can be applied directly to PDF documents and videos.
Our ambition is to allow everyone to send files, regardless of their size, volume, or frequency. Whether you're an individual, a small business, or a large enterprise, OWL Transfer is designed to scale with your needs through flexible plans and custom solutions. Because beyond file size, we believe it's just as important that you remain in control of who can access, view, and protect your files.
Frequently Asked Questions
What is the maximum file size that can be sent by email?
Most email providers limit attachments to 20–25 MB, depending on the service.
How can I send a file that is several gigabytes in size?
Once a file exceeds your email provider's attachment limit, the best solution is to use a dedicated large file transfer service such as OWL Transfer.
Can I send large files for free?
Yes. OWL Transfer currently allows you to send files up to 300 MB for free, without creating an account. This limit will increase as the platform continues to grow.
What is the most secure way to send a downloadable large file?
For sensitive documents, we recommend using end-to-end PGP encryption. OWL Transfer ensures that only authorized recipients can decrypt and access your files, providing maximum confidentiality throughout the transfer process.