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Encrypted in the browser · post-quantum crypto

Get the answers people won't say out loud.

Every poll response is encrypted in the respondent's browser: our servers only ever store ciphertext. When people trust the anonymity, they can stop being careful. You get the truth, in aggregate.

Start free trialView security whitepaperNo credit card. Workspace in < 2 min.

Plans from $49/mo. See pricing

Illustration: a crowd of anonymous respondents; one answer is encrypted in the browser and joins an aggregate result. No individual is identifiable.

Why InviziPoll

The only survey tool where honesty isn't a risk

Engagement pulses, 360s, exit surveys, board polls: the questions that matter most are the ones people won't answer if they think someone is listening.

Respondents trust it, so they tell the truth

Responses are encrypted on the respondent's device before they're sent. Not logged, not fingerprinted, not visible to us, even if we wanted to look. When your team sees "we literally cannot read this," the feedback stops being careful.

respondents see: a clean link: no login, no cookies, no tracker

Anonymity you can't accidentally break

Set a minimum cohort size ("hide anything under 5 responses") and InviziPoll suppresses results automatically, including when filters would expose a single person. No nervous manager ever has to do this math in their head.

k-anonymity built in (hard floor of 3, always enforced)

Private today, private in 2040

Built on post-quantum cryptography, the same class of algorithms NIST standardized to resist quantum computers. Responses captured today stay private decades from now, which matters when the questions are about people.

algorithms: ML-KEM-768 + ML-DSA-65

How it works

Four hops. Zero plaintext on our servers.

The path a single response takes from keystroke to aggregate chart, and why we can't peek along the way.

  1. 01 / RESPOND

    Answer in browser

    Respondent opens a signed link. Selections live only in local memory: no login, no cookies.

    plaintext · device only
  2. 02 / ENCRYPT

    Seal with workspace key

    The browser fetches the workspace public key and wraps the response with ML-KEM-768.

    ciphertext from here on
  3. 03 / STORE

    Ciphertext-only persistence

    Our servers receive an opaque blob and a blind signature. No IP, no fingerprint, no session.

    what a subpoena gets
  4. 04 / AGGREGATE

    Decrypt on your device

    You pull the encrypted set to your browser, decrypt locally, and see aggregate charts only.

    k-anonymity enforced

full architecture & threat model → /security · end-to-end encrypted survey

Where it matters

Built for the questions people dodge

Response quality depends on respondents believing (correctly) that answers can't be traced back.

Engagement & pulse surveys

Monthly temperature checks managers can't personally audit.

Why anonymityPeople score carefully when they think someone is watching.

360° & upward feedback

Peer and manager reviews protected by cohort-size guardrails.

Why anonymityNobody critiques their boss on the record.

Exit & stay interviews

Honest departure feedback with no HRIS trail linking rows to names.

Why anonymityReferences outlive the exit form.

Board & exec polls

Close-quarters decisions where attribution chills candor.

Why anonymitySmall rooms have long memories.

Pricing: published, in USD

No "contact sales" wall for a price

Three tiers and a consultants licence, quoted on one page. Annual billing saves ~20%.

Pro
$49/ workspace / month

For teams that need professional anonymous feedback.

  • 200 active polls, 2,000 recipients per poll
  • k-anonymity guardrails
  • Post-quantum encryption
See full tier
Business
$199/ workspace / month

For organizations scaling a culture of feedback.

  • Everything in Pro
  • SSO, roles & audit log
  • Trend & cohort analytics
See full tier
Enterprise
Custom

For compliance-heavy orgs with procurement requirements.

  • Security review & DPA support
  • Dedicated tenancy options
  • Priority support & SLAs
Talk to us

Running surveys for client companies? There's a licence for that, with five client workspaces included. See the consultants licence.

full comparison, limits & annual pricing → /pricing

Questions

Asked by every security review

Is InviziPoll actually anonymous, or "anonymous" like other survey tools?
Most tools promise anonymity in a privacy policy while storing readable responses next to respondent metadata. InviziPoll is anonymous by architecture: responses are encrypted in the respondent's browser before they reach us, and our servers persist ciphertext only. See the full argument at /trust/anonymity.
Can an admin see who submitted a response?
No. Respondent links are cookieless and untracked, submissions carry no user ID, IP, or fingerprint, and results decrypt to aggregates only, with k-anonymity suppression so small cohorts and filters can't expose an individual.
What does "post-quantum" mean here?
Responses are sealed with ML-KEM-768 and signed with ML-DSA-65, NIST-standardized algorithms designed to resist attack by future quantum computers. Feedback about people has a long shelf life; the encryption should too. Details in the encryption docs.
Your AI reads written answers. Does it send them anywhere?
No. Every other engagement tool turns comments into themes by uploading them to a model vendor. Ours runs a small open-source model inside the admin's browser tab, on answers already decrypted on that device, so no answer, prompt or summary leaves it and there is no AI subprocessor to add to your vendor list. Summaries are labelled as drafts and stay off shared links and exports unless you opt in. What runs where, in detail: on-device AI summaries.
Do you publish pricing?
Yes. Pro at $49 and Business at $199 per workspace per month (USD), Enterprise quoted individually, all on one page at /pricing. No demo call required to learn a number.

FAQ answers also link to anonymity, encryption docs, and pricing.

Give your team a voice.
Keep their identity.

Create your workspace in under two minutes. No credit card. We don't track respondents: ballots stay cookieless and unlinked.