How to Store Multiple
Files in One File
A contract, a signed addendum, three supporting documents, and a cover letter. That is five separate attachments for one thing. There is a better way send one file, hide everything inside it, and let the recipient pull out exactly what they need.
Why multiple files is a real problem
Sending multiple files is friction. For the sender, it means attaching each one separately, making sure none are missing, and hoping the recipient opens all of them. For the recipient, it means keeping track of which files belong together, where they were saved, and which version is current.
Email threads with five attachments get messy fast. Shared folders fill up with loose files that lose context the moment they leave the conversation they came with. Chat apps show each file as a separate item to scroll past and forget.
The deeper problem: scattered files are harder to protect. When five related files are sent separately, they take five separate trips and five separate chances to end up somewhere they should not.
When everything is hidden inside a single file, it travels together, stays together, and is protected together. The recipient gets one thing, not five things to track down.
How it works
You pick an ordinary file to act as the container, a photo, a video, a PDF, an audio clip, a ZIP, whatever fits. Then you select every file you want to bundle inside it. FileVeil hides them all inside that container. The container still opens normally. Everything you hid is invisible inside, until someone extracts it with FileVeil and the correct key.
The files you hide do not have to be the same type, or even related to each other. A photo, a spreadsheet, a voice recording, a PDF, and a video clip, all of them can live inside a single ordinary file. A vacation photo that holds a contract and an invoice. An audio file that carries three reference documents and a set of photos. A short video that contains an entire folder's worth of files. What the outside looks like has nothing to do with what is inside.
When the right person extracts it, every file comes out exactly as it went in, same name, same format, same content.
FileVeil encrypts everything with AES-256-GCM before embedding it. All hidden files share one key. One extraction, and everything comes out together.
How this compares to a ZIP file
A ZIP does bundle multiple files into one. But a ZIP looks like a ZIP, anyone who sees it knows something is bundled inside. It draws attention. File names are visible to anyone who opens the archive, and encryption is not on by default.
Hiding files inside a cover file is different in ways that matter.
| ZIP file | FileVeil | |
|---|---|---|
| Looks like | A ZIP obviously something bundled inside | An ordinary photo, document, video, audio file, archive, design file, or system file |
| Encryption | Optional, not on by default | AES-256-GCM, always on |
| File names visible | Yes anyone can see what is inside | No invisible until extracted with the key |
| Attracts attention | Yes | No looks like any ordinary file |
| Cover file works normally | Not applicable | Yes opens, plays, or reads as before |
A ZIP is practical for bundling when privacy does not matter. FileVeil is for when you want the bundle to be invisible, encrypted, and look like nothing at all.
You can keep adding to the same file
Here is something that changes how you think about storing files.
Say you have a family photo that you have already used to hide some travel documents. A few months later, you want to add something new, a set of medical records, maybe, or a new set of documents for a different trip. You do not need a new cover file. You can add another set of files to the same photo, with a different key. The photo still opens normally. The first set of files is still there, protected by its own key. The second set sits alongside it, protected by a different key. Neither one interferes with the other.
One ordinary-looking file, carrying different things for different purposes, each accessible only to whoever has the right key.
Adding files to a cover file that already has hidden content requires FileVeil Pro+. Each set of hidden files is independently encrypted with its own key.
Step by step
Open FileVeil in your browser
Go to fileveil.com on any device. No installation needed. Everything runs in your browser and stays on your device.
Choose a cover file
Pick any ordinary file to carry the others, a photo, a video, a PDF, an audio file, a ZIP, and many more. The cover file opens normally after. Pick something that fits naturally in the context of where you are sending it.
Add all the files you want to bundle
Select every file you want to hide inside, documents, photos, spreadsheets, audio, video, archives, any type, any combination. FileVeil Pro supports unlimited files up to 500MB total. Pro+ supports up to 2GB.
Set an encryption key (optional, but recommended)
Add a password to encrypt everything before it is hidden. Without a key, the files are hidden but not encrypted, anyone with FileVeil can extract them. With a key, only whoever has the password can. Share it through a separate channel, not alongside the file itself.
Download and send
Download the result. It looks exactly like the original cover file. Send it as a document or attachment through any platform. One file. Everything inside.
Recipient extracts everything at once
The recipient opens FileVeil, loads the file, enters the key, and every hidden file comes out together. No installation needed. Works on any device.
The Free plan supports one hidden file per operation. To bundle multiple files inside a single cover file, upgrade to FileVeil Pro.
When one file is better than many
A photo, a PDF, a spreadsheet, and an audio file have nothing in common except that today, they all belong to the same person, the same moment, or the same purpose. FileVeil lets you put all of them inside a single ordinary file. One thing to send. One thing to store. One thing to open.
Frequently asked questions
Hide any file inside another file
Everything stays on your device. No uploads, no cloud.
Upgrade to Pro for unlimited files and larger cover files.