What is the best way to send large files? Turn the file into a link rather than an
attachment. A link carries no weight of its own, so it clears every inbox size limit and,
on a host such as Snapy, also reports the moment it is opened, free.
How can I send a large file through Gmail? Attach it normally. Above 25MB combined,
Gmail swaps the attachment for a Google Drive link and then asks who that link should be
shared with, a step that is easy to miss and can lock a recipient out.
The wall you just hit, and what Gmail does about it
For a personal Gmail account the limit is 25 MB.
Above it, Gmail does not refuse the message; it "automatically removes the attachment and
adds it as a Google Drive link in the email." Other providers sit in the same
neighbourhood, between roughly 20MB and 25MB, so the wall is low: a ten-slide deck with
photographs, a scanned contract, or a handful of camera images all clear it without
trying.
That fallback is not fully hands-off. Google's own instructions
say Gmail checks whether recipients already have Drive access and, if not, prompts a
sharing choice before sending: "anyone with the link" needs no Google account, but
restricting it to named recipients means anyone without a Google account on that exact
address, or reached through a mailing list, cannot open it. The conversion is automatic;
the sharing choice is manual, and the strict option can quietly fail an innocent reader. A
link from a dedicated host skips that choice entirely.
Check the size first, it takes ten seconds
Windows. Right-click the file, Properties, read Size.
macOS. Click the file once and press Command-I.
Phone. In Files or Photos, open the item and look at Info or Details.
Most people guess high, then spend twenty minutes compressing a file that would have sent
fine.
What to do at each size
The file is
What to do
Why
Under 20MB
Attach it
It will arrive. A link adds a step for no gain
20MB to 25MB
Attach it, or send a link
Close enough to the wall that a strict recipient's server may bounce it
25MB to 150MB
Send a link
Above every mainstream provider's limit, and inside what Snapy accepts
Over 150MB
A sync or transfer service, not a link host
Snapy refuses the upload, so this is not the tool for it
A video of any size
Something else
Video uploads are switched off on Snapy right now
The 150MB line is worth taking seriously: the upload is refused at the door, not trimmed
or queued.
Check your own file
Reads the size in your browser. Nothing is uploaded.
0attach it
25MBemail stops
150MBSnapy stops
Nothing chosen yet
Pick a file and this says whether to attach it, send it as a link, or reach for something else entirely.
Sizes are read with the browser's own File API, which reports a name, a size and a type without opening the file. There is no upload in this widget and no request of any kind.
Why a link does not bounce
An attachment is carried inside the message, so every server in between gets a vote on
whether to accept it. A link carries no weight of its own, so an inbound size cap, a full
mailbox or an attachment filter stop applying, and it fails earlier when it fails: a
rejected attachment bounces after sending, while a file too big to host says so before
the message leaves.
What a link gives you that an attachment does not
Whether it was opened at all. Every Snapy link counts opens and downloads, shows
which countries they came from and how long was spent reading, and emails the owner on
the first open. That is the free plan.
Several files behind one address. The free plan holds one live link at a time, with
no limit on how many files sit on it, so twelve photographs become one link with a
listing page, not a zip to unpack.
A lock. A password, an expiry date and a QR code are all free.
A name.contract-final.snapy.page reads better than a forty-character file name.
Storage on the free plan is 1 GB, about six files at the full 150MB. Knowing which
person opened it, time spent per page, and an email on every open rather than just the
first are on the paid plan. Nothing expires on its own unless an expiry date is set.
How to send a PDF by email
Attach it if it is under about 20MB, and send a link if it is bigger. Check the size
first: Gmail's limit for a personal account is 25 MB across all attachments
(Gmail Help).
A PDF just over the line can often be made smaller:
On a Mac. In Preview, choose File > Export, then pick Reduce File Size from the
Quartz Filter menu. Apple warns the result "may be of lower quality than the original"
(Apple Support).
From Word on Windows. When saving as PDF, choose Minimum size (publishing
online) instead of Standard
(Microsoft Support).
Switch to a link when any of these is true:
The PDF is still over the limit after compressing it.
Compressing it makes a scan, a drawing or small print hard to read.
Knowing whether it was opened matters, as with a quote or a contract.
A Snapy.host link takes a PDF up to 150MB as it is, with no compressing. It opens in the
reader's browser view-only by default, and the sender gets a free email the first time it
is opened. Paste the link into the email where the attachment would have gone.
Sending it, start to finish
No sign-up: the first upload just asks for a one-time code sent to the sender's email,
which keeps out spam rather than standing in for an account.
Name the link, or leave it blank for a random one.
Type the code that arrives by email, once per address, not once per file.
Paste the link into the message, in place of the attachment.
The recipient clicks and reads it in their browser. No account, no app, no extension, and
no sharing setting that can be left wrong.
The honest version of the advice
Under 20MB, attach it and stop reading. Between 25MB and 150MB, a link beats anything done
to the file itself, including Gmail's own Drive link, since there is no sharing step to
get wrong. Compressing a PDF to squeeze under a limit costs quality to solve a problem
that already has a free answer. Over 150MB, or a video, this is not the tool; use
something built for bulk transfer rather than finding that out mid-upload.
Questions
What is the best way to send large files?
Turn the file into a link instead of attaching it. A link has no size of its own, so it never bounces off a mailbox limit, works the same above 25MB as it does above 150MB, and can tell you the moment it is opened. Paste the link where the attachment would have gone.
What is the best way to send a large file?
The same answer as for several files: host it once and send the link, not the file itself. The link stays small (a few kilobytes) no matter how large the file behind it is, which is why it clears the inbox limits an attachment cannot.
How can I send a large file through Gmail?
Attach it as usual. If the attachment is over 25MB, Gmail removes it from the message and replaces it with a Google Drive link automatically. Gmail then prompts a choice of who the link is shared with; skipping that step is what leaves a recipient unable to open it.
How do I send a large file through Gmail?
Click Attach and choose the file. Gmail only blocks the send outright for files that are flagged as unsafe; anything merely too big is converted to a Drive link behind the scenes, and the limit to watch for is 25MB combined across every attachment in the message.
What happens when a Gmail attachment is over 25MB?
Gmail silently drops the attachment and inserts a Google Drive link in its place. It then checks whether the recipients already have access to that file in Drive, and if they do not, it prompts a sharing choice (anyone with the link, or only the named recipients) before the message goes out.
How do I send a PDF by email?
Attach it if it is under about 20MB. Gmail's limit is 25MB for a personal account. Above that, compress it, with Reduce File Size in Preview on a Mac or Minimum size when saving from Word, or upload it and paste a link instead, which takes a PDF up to 150MB unchanged.
Send yours as a link
Drop in a document, an image or a web page, up to 150MB, and get a link. Free, and the person you send it to needs no account, no app and no extension.
