Google Forms file upload without sign in — the real options

No. Google's own documentation for the File upload question says responders need to sign in to a Google account to answer it, and that for the form owner, uploaded files are stored in a new folder on Google Drive. There is no toggle to disable the requirement, and it does not change on paid Workspace plans.

The requirement is per form, not per question. Put one optional File upload question on page five and every respondent meets a sign-in prompt, including the ones who were never going to upload anything. If most of your audience does not live in Google's ecosystem, that single question can cost more responses than the files are worth.

Google states the rule but not the reasoning, so what follows is our reading of how the feature is built. Uploaded files are copied into the form owner's Google Drive, into a folder per form with a subfolder per question. Drive files belong to accounts, and an upload from nobody in particular would leave the owner with files of unknown origin sitting in their storage. Requiring an account gives every file an uploader Google can identify, which also makes abuse such as spam uploads or malware traceable.

Storage is the other half. Drive files count against the owner's Google storage, which is 15 GB on a free account, shared across Gmail, Drive and Photos. Forms lets you set a maximum total size for all the files a form collects, which is the only brake on how much of your storage it can use. A public, anonymous upload box attached to your personal storage would be easy to fill on purpose.

The same design explains the two other restrictions in Google's help pages. File upload is not available when the form is stored in a shared drive, and it is switched off when a Workspace admin enables data loss prevention.

A respondent who is not signed in is asked to sign in before they can fill in the form. Someone without a Google account can create one, including with a non-Gmail email address, but that is an extra step between them and your form, and some will leave rather than take it.

Once signed in, respondents see a notice above the form saying that the name and photo associated with their Google account will be recorded when they upload files and submit. Some versions of the notice also mention the email address. Either way, the form owner can see who uploaded each file.

Yes. Turning off email collection does not help, because the upload itself is attributed to the respondent's Google account. Files also carry their own metadata: a Word document or PDF often includes its author's name, and photos can include the device and location they were taken with. If you promise respondents anonymity, a Google Forms upload question breaks that promise even before you look at the file. For surveys that must be anonymous, collect files some other way or not at all.

Four approaches work. Each one moves the files somewhere other than the Google Forms upload, which is what removes the sign-in wall and also what creates the trade-offs.

Replace the File upload question with a Short answer question asking respondents to paste a share link to their file from any cloud drive, with URL validation switched on. No sign-in, no storage on your side, free. The costs: some respondents do not know how to create a share link, links often point to files that are private or later deleted, and "anyone with the link" access means the file is exposed to anyone the link reaches. Copy the files somewhere you control soon after they arrive.

Both services can create an upload-only link and you can paste it into a section description of the form. Dropbox says anyone can send files to a file request whether or not they have a Dropbox account; requests take up to 2 GB on Basic, Plus and Family plans and up to 250 GB on business plans. Microsoft's OneDrive and SharePoint file requests let anyone with the link upload without seeing the folder's other contents; uploaders who are not signed in are asked for a first and last name, and in work or school accounts an admin has to allow "Anyone" links.

The trade-off is that the file and the form response are two separate records, matched by the name the respondent typed on each. Tell respondents exactly what to call their file.

Formfacade's File upload add-on replaces the Google upload with a standard web upload that needs no login and syncs files to your Drive. Its Marketplace listing prices it after a 7-day trial at $28/month for 10 GB of storage and 100 MB files, $38/month for 100 GB, and $98/month for 1 TB with 1 GB files. Respondents fill in the form through Formfacade rather than the plain Google Forms page, and uploads go first to Formfacade's own storage, which it says runs on Google Cloud, before syncing to Drive. That means a third party handles your respondents' files, so read its privacy terms and data processing agreement before you rely on it.

Most dedicated form builders, Zunoform included, accept uploads without any respondent account. Files stay attached to the response instead of living in a separate folder, which removes the matching step. The trade-offs are a new tool to learn, upload size limits tied to the plan, and, like the add-on route, a vendor that stores your files. Our importer can rebuild an existing Google Form so you do not start from scratch.

Zunoform's File upload question works on every plan, including Free, and respondents never sign in. You choose 1 to 10 files per question and can restrict uploads to images, documents or video. The per-file limit is 10 MB on Free, 100 MB on Pro ($14.99/month) and 1 GB on Business ($24.99/month). Files stay on the response they came with, and a form set to anonymous mode stores no IP address, user agent, referrer, location, language or screen size for respondents, though, as with any tool, the files themselves may carry metadata.

Where it does not fit: Free is capped at 500 responses a month, while Google Forms has no response cap. If everyone who fills in your form already has a Google account, the native upload is free and the sign-in wall costs you nothing. And if you need files larger than 1 GB, a Dropbox file request on a business plan goes much further.