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Free Anonymous Suggestion Box for Teams and Customers

Collect honest feedback, ideas, and concerns from employees, customers, or students without friction with FlagUp.

FlagUp anonymous suggestion box dashboard listing employee responses with sentiment ratings

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For teams, startups, schools, non-profits, agencies and growing companies

Definition

What is an anonymous suggestion box?

An anonymous suggestion box is a channel where people submit ideas, concerns and improvements without attaching their name. Whoever reviews the box sees the message, not the messenger, so the feedback that normally stays in the corridor gets written down instead.

The idea is old. A locked wooden box on the office wall did the same job. What changed is where the box lives and what happens to a suggestion after it lands, and those two differences are what the rest of this page is about.

The terms people use, and what each one means

Physical suggestion box: A sealed box in a shared space. Anonymous by default, but limited to people who walk past it, and everything inside has to be sorted by hand.
Online suggestion box: A page reachable by link. Anyone you share the link with can contribute from anywhere, which is what makes it workable for remote and shift-based teams.
Digital suggestion box: Used interchangeably with online suggestion box. Both describe submissions collected through software rather than on paper.
Anonymous suggestion box: Any of the above, configured so contributors are not identified to the people reviewing what comes in.
Suggestion box software: The tooling around the box: categories, search, statuses, voting, analysis and reporting. This is the part a paper box cannot offer.

Benefits

What are the benefits of an anonymous suggestion box?

Taking the name off a suggestion changes what people are willing to write. It also changes what you can do with the result, because a written, dated, categorized submission can be tracked in a way a hallway comment never can.

More candid feedback

People raise the awkward subjects when their name is not attached: workload, process, management, or a decision nobody wants to question out loud.

Almost no friction

No account, no login, no meeting invitation. A link or a printed QR code is the entire barrier to entry.

Problems surface earlier

Small recurring irritations get reported while they are still small, instead of turning up in an exit interview.

One place for ideas

Suggestions stop living in scattered emails and chat threads, and start living somewhere searchable.

Reach beyond the building

Remote staff, shift workers, customers, students and volunteers all contribute through the same link.

Patterns instead of anecdotes

Five people describing the same problem look like one priority, not five separate complaints.

How it works

How does an online suggestion box work?

Every online suggestion box follows the same five stages, whatever tool you use to run one.

01
Create your suggestion box

Name the box, write the question people will answer, and decide up front whether responses stay private or are published for everyone to read.
02
Share it with your audience

Send the link through chat, email or your intranet, or download the QR code and print it where the work happens.
03
Collect suggestions

People answer without an account or a login. Contact details are only requested if you switch that on, and it is off by default.
04
Review what came in

Everything lands in one place instead of several inboxes, so you can read, search and compare submissions side by side.
05
Act and close the loop

Decide what to take forward, export the results for your team, and tell contributors what changed as a result.

Setup decisions

The two decisions to make before you share the link

Two independent settings decide how your box behaves. Mixing them up is the most common setup mistake.

Anonymous or identified?

Anonymity buys candour and costs follow-up. Identification is the other way round.

An anonymous box suits

Sensitive subjects: culture, management, pay, conduct.
Anywhere people fear consequences, founded or not.
Honesty and volume, over depth on any one item.

An identified box suits

Feedback that needs one follow-up question.
Ideas you want to credit by name.
Anything tied to an account, order or record.

Middle ground: keep submissions anonymous and make contact details optional, so each person decides whether they want a reply.

Public or private?

Anonymity is about who writes. Visibility is about who gets to read what they wrote.

A public box suits

Product ideas and feature requests.
Voting, so real demand is visible instead of assumed.
Teams showing openly what they are working on.

A private box suits

Employee feedback and workplace concerns.
Anything involving a named individual.
Student, member, patient or volunteer feedback.

Many teams run both: a public board for product ideas, a private box for internal concerns.

Use cases

Who can use an anonymous suggestion box?

Anyone who needs to hear from people who will not say it in a meeting. That covers startups and large employers, but also schools, non-profits, agencies, clinics, retailers and membership organizations.

The pattern is the same everywhere: one link, honest answers, and a written record you can act on. See how FlagUp compares to Canny. Our guide to making suggestion box input count covers the follow-up that keeps people submitting.

Employee feedback

A dedicated employee suggestion box gives people a way to raise culture, workload and management issues that rarely come up in a team meeting.

Explore the feedback widget

Customer and user feedback

Collect feature requests, complaints and ideas from customers, then feed the ones you decide to build into a public roadmap.

See the public roadmap tool

Schools and non-profits

Gather student, parent, member and volunteer feedback privately, and keep an eye on the themes that come up repeatedly.

Compare plans, including the free one

Internal ethics and concerns

Give people a private route for concerns they would not raise face to face, and keep a written record of what was said and when.

What FlagUp records with each submission

Prompts

What should you ask in a suggestion box?

The prompt above the text field does more work than any other setting on the page. A vague prompt returns vague suggestions.

Too broad

“Any suggestions?”

Specific enough to answer

“What is one thing that slows you down at work?”

Prompts worth borrowing

What is one change that would improve your experience with our product?
What is the most frustrating part of your week here?
What did you expect to be able to do, and could not?
If you could fix one thing about how we work, what would it be?
What almost stopped you from becoming a customer?
What would you warn a friend about before they join?

Change the prompt every few months. A question that has been on screen for a year stops producing new answers.

Comparisons

How does a suggestion box compare with a form, or with suggestion box software?

Two comparisons come up constantly when people are choosing what to run. Here is the short version of each.

Is a suggestion box better than a form?

They are built for different jobs, and many organizations run both. The real question is whether you are running a one-off study or an ongoing channel.

A form is the right tool for

Structured questions with a known set of answers.
A survey with a start date and an end date.
Collecting the same fields from everyone.
Research where you already know what to ask.

A suggestion box is the right tool for

Feedback that arrives continuously, at unpredictable times.
Ideas that need categorizing, ranking and revisiting later.
Letting people support a suggestion someone else made.
Tracking an idea from submitted through to shipped.

Put simply: a form answers the questions you already knew to ask. A suggestion box surfaces the ones you did not.

Is suggestion box software better than a free anonymous suggestion box?

Search for suggestion box software and most of what comes back is built for enterprise feedback programmes: multi-channel ticketing, NPS surveys, custom dashboards, and a price that grows with every seat. That is the right purchase for a dedicated feedback team, and overkill for everyone else.

A free anonymous suggestion box does the one thing that matters: it gets honest input from employees, customers or students in front of the right person quickly. FlagUp starts there and adds the tooling around the box, without asking you to run a feedback programme to justify it.

See how FlagUp compares to dedicated suggestion box software

Inside FlagUp

See a FlagUp suggestion box in action

The same five stages, running in the product. This is what your side of the box looks like once responses start arriving.

Several boxes, one workspace

Run a separate box per team, site or topic. Every response still arrives in the same list, tagged with the box it came from.

Better onboarding for new hires

Response

Printer on floor 2 keeps jamming

Response

Sentiment rated and summarized

On paid plans, FlagUp scores each response as positive, negative or neutral and summarizes it in a line, so triage is not a manual read of everything.

Better onboarding for new hires Positive

Printer on floor 2 keeps jamming Negative

More team socials would boost morale Neutral

You decide what the form asks

Anonymous mode is a per-box setting, and so is whether the form asks for an email address at all.

"Remove the friction of speaking up. Get real signals before they become real problems."

No account needed to submit Anonymous mode available

Transparency

What does FlagUp record with an anonymous suggestion?

An anonymity claim is worth little without the detail behind it, so here is how a FlagUp suggestion box actually behaves. Read it alongside our privacy notice before you launch a box.

No account, no login Contributors open the link and write. They never create a FlagUp account and never sign in.
No name unless they give one Nothing in the form asks who someone is. A name reaches you only if they type it themselves.
Email is optional, and off by default Each box can ask for an email address. That setting starts switched off, and turning it on is your call.
Responses stay private unless you publish them A new box keeps responses on your side. Showing them on your public portal is a deliberate choice.
You control who on your team can read them Access follows your FlagUp workspace, so a sensitive box is only as open as you make it.
Technical request data is stored Like most web applications, FlagUp records the IP address and browser user agent sent with each submission. Treat the box as pseudonymous rather than untraceable, and say so when you share it.
Transport encryption, not end-to-end Submissions travel over HTTPS and are stored in FlagUp's database. They are not end-to-end encrypted, and FlagUp does not claim they are.

Limits

When is a suggestion box the wrong channel?

A suggestion box is a listening channel, and it is good at that. These are the cases where sending someone to it instead of somewhere else does real harm.

Send these somewhere else

An emergency, or anything needing an immediate response.
A security incident or data breach in progress.
A formal legal or regulatory report that must follow a defined procedure.
Cases where a named investigator has to be able to contact the reporter.

If you need guaranteed untraceability, a legally recognized reporting route, an audited chain of custody or an immediate response, use a system built and certified for that purpose. Keep it separate from your suggestion box, and signpost it clearly wherever you share the box.

Pricing

Pick a plan, start free.

Choose your ideal plan. No obligation, cancel anytime.

Free

Free forever

Get started at no cost. One project, core features.

$0 / month

Always free. No credit card required.

Start for free

1 Project
50 feedback entries/month
3 suggestion boxes
25 suggestion entries/month
Embed & portal access
Read-only public roadmap
Read-only public changelog
FlagUp branding (not removable)
AI features
Churn detection
CSV/Excel export
Integrations (Slack, Jira, Notion & more)
White-label branding
Email support

Pro

Popular

For growing startups managing active feedback.

$19 / month

$19 billed monthly

Start for free

3 Projects
Unlimited feedback entries
10 suggestion boxes
Unlimited suggestions entries
🤖 AI feedback summary (advanced model)
🤖 Sentiment analysis & summaries
🤖 Feedback deduplication
🤖 AI feedback rewrite assistance
🤖 Suggestion AI processing
🤖 Suggestion summarization
🤖 Retention signals & account insights
🤖 Exportable retention signal reports
Public changelog
Public roadmap
White-label branding
Custom branding
CSV/Excel export
Slack, Discord, Jira, Linear, Notion & Trello integrations
Embed access (full)
Full portal access
Email support

Business

Premium

For established teams with high feedback volume.

$49 / month

$49 billed monthly

Start for free

10 Projects
Unlimited feedback entries
Unlimited suggestion boxes
Unlimited suggestions entries
🤖 AI feedback summary (premium model)
🤖 Sentiment analysis & summaries
🤖 Feedback deduplication
🤖 AI feedback rewrite assistance
🤖 Suggestion AI processing
🤖 Suggestion summarization
🤖 Retention signals & account insights
🤖 Exportable retention signal reports
Public changelog
Public roadmap
White-label branding
Custom branding
CSV/Excel export
Slack, Discord, Jira, Linear, Notion & Trello integrations
Embed access (full)
Full portal access
Email support
Private workspaces

F.A.Q

Frequently asked questions

Short answers to the questions people ask most often before they launch their first box.

Is an anonymous suggestion box really anonymous?

With FlagUp, contributors need no account and are never asked who they are, and email is optional and off by default. Like most web applications, FlagUp does record the IP address and browser user agent sent with each submission, so the honest word is pseudonymous rather than untraceable. Say so when you share the box.

How do I create an anonymous suggestion box?

Create a free FlagUp account, add a box, write your prompt, choose whether responses stay private or appear on your public portal, then share the link or download the QR code.

Can I create a free suggestion box?

Yes, on the free plan, with no credit card. Paid plans raise the limits and add the sentiment rating and response summaries. See the pricing page for what each plan includes.

Can people submit suggestions without an account?

Yes, and that is the point. Anyone with the link can answer. No sign-up, no login, nothing to install.

Can a suggestion box be public or private?

Both. A new box keeps responses private to your side. If you want people to read what others submitted, publish responses on your public portal instead. Anonymity and visibility are separate settings.

Can I create multiple suggestion boxes?

Yes. Run a separate box per team, location, product or theme. Each has its own link and settings, and they are managed from one workspace. How many you get depends on your plan.

Can I use one for employee feedback?

Yes, and it is the most common use. Keep the box private, give it a named owner, and report back on what changed. A box nobody answers stops receiving submissions within a couple of months.

Can I use one for customer feedback?

Yes. Share the link from your site, your help centre or a receipt, and collect requests and ideas continuously rather than once a year in a survey.

Is this only for large companies?

No. Small teams, startups, agencies, freelancers, schools and non-profits use a suggestion box as their first feedback channel.

Can I use it as a whistleblowing hotline?

No. FlagUp is a listening channel for ideas and concerns, not a regulated whistleblowing system: no case management, no guaranteed untraceability, no certified chain of custody. Where the law requires a formal reporting route, use a system built for that and keep the two separate.

Still have questions? [email protected]

Keep reading

Guides that go deeper than this page on a single part of the topic, plus the rest of the FlagUp feedback toolkit.

Get started

Start collecting honest suggestions today.

Give people one link, ask one clear question, and find out what nobody says in the meeting. Creating your first box takes a few minutes.

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Free Anonymous Suggestion Box for Teams and Customers

The terms people use, and what each one means

What are the benefits of an anonymous suggestion box?

More candid feedback

Almost no friction

Problems surface earlier

One place for ideas

Reach beyond the building

Patterns instead of anecdotes

How does an online suggestion box work?

Create your suggestion box

Share it with your audience

Collect suggestions

Review what came in

Act and close the loop

The two decisions to make before you share the link

An anonymous box suits

An identified box suits

A public box suits

A private box suits

Employee feedback

Customer and user feedback

Schools and non-profits

Internal ethics and concerns

What should you ask in a suggestion box?

Prompts worth borrowing

How does a suggestion box compare with a form, or with suggestion box software?

Is a suggestion box better than a form?

A form is the right tool for

A suggestion box is the right tool for

Is suggestion box software better than a free anonymous suggestion box?

See a FlagUp suggestion box in action

Several boxes, one workspace

Sentiment rated and summarized

You decide what the form asks

What does FlagUp record with an anonymous suggestion?

When is a suggestion box the wrong channel?

Send these somewhere else

Pick a plan, start free.

Free

Pro

Business

Frequently asked questions

Is an anonymous suggestion box really anonymous?

How do I create an anonymous suggestion box?

Can I create a free suggestion box?

Can people submit suggestions without an account?

Can a suggestion box be public or private?

Can I create multiple suggestion boxes?

Can I use one for employee feedback?

Can I use one for customer feedback?

Is this only for large companies?

Can I use it as a whistleblowing hotline?

Keep reading

Start collecting honest suggestions today.