FlowCrypt: Encrypt Gmail with PGP icon

FlowCrypt Chrome Extension Analysis

Privacy, Security & Ad Blockers

Store listing title: FlowCrypt: Encrypt Gmail with PGP

Chrome extension ID: bnjglocicdkmhmoohhfkfkbbkejdhdgc

A Chrome extension that enables users to encrypt and sign emails and attachments within Gmail using PGP keys. It supports key generation (ECC/RSA) and allows communication with both PGP users and non-PGP users via password-protected emails.

Version:8.5.14
Size:3.65MiB
Last updated:

Overview

Installs

70K+

Rating

4.7

361 reviews

Languages

1 locales

Includes English

Market analysis

Review-backed positioning, friction, and market signals for this Chrome extension.

Backed by review samples

Macro category

Privacy, Security & Ad Blockers

Pricing friction

Moderate review signal

Complaint intensity

Moderate review signal

Listing & review signals
Observed signals from store listing text and review samples.

Listing positioning

FlowCrypt positions itself as a simple end-to-end encryption tool that integrates OpenPGP directly into the Gmail workflow. It targets individuals and Google Workspace organizations needing private communication via a 'Secure Compose' button.

Inferred product pattern

Gmail-integrated PGP wrapper with a freemium model gating high-value features like attachment encryption.

Review-backed pain points

Users express frustration over the requirement to pay for encrypted attachments. Non-technical users find the interface difficult to navigate and requested better step-by-step guidance.

Observed feature gaps

Lack of GPG/MIME support (relies on ASCII armor), absence of support for multiple keys when using Gmail 'Send As' aliases, and insufficient onboarding for PGP novices.

Tags
PGP EncryptionSecure EmailGmail SecurityData Privacy
Target users

- Privacy-conscious individuals

- Security-focused teams

- Google Workspace organizations

- PGP/GPG users

Primary use cases

- Sending encrypted emails via Gmail

- Securing email attachments

- Digitally signing messages for verification

- Exchanging encrypted mail with recipients lacking PGP software

Positive themes

- Effective integration with Gmail workflow

- Successful implementation of PGP for Google Inbox

Negative themes

- Paywalled encrypted attachments

- Steep learning curve for non-experts

- Reliability issues with email delivery

- Incompatibility with specific PGP key hashes and standards

Observed friction

- Free-tier complaints detected

- Performance complaints detected

- Privacy complaints detected

- Significant friction regarding the freemium model, specifically that encrypted attachments are locked behind a paid upgrade.

Evidence boundary: Extracted from official store listing and a sample of helpful high and low rating reviews. Review sample is a small subset of total reviews; some contradictions exist regarding developer responsiveness.
Complaint summaries
Review-backed complaint signals grouped by operational area.

Support

Conflicting reports; some users describe the developer as fast to respond, while others claim a total lack of support response.

Reliability

Reports of intermittent email delivery failure and bugs in the settings dialog for certain browser versions.

Privacy

One severe claim labeling the software as obsolete and 'non-secure ware,' though this is an outlier compared to the general rating.

Access & pricing

- Free entry with paid features

- Account required for core usage

- Limited free usage observed

Store listing facts

Listing assets

- Screenshots: 5

- Videos: 0

- Languages: 1

Trust signals

- Privacy policy

- Developer contact

- Official website

Store metadata

- Version: 8.5.14

- Size: 3.65MiB

- Last updated:

Store description excerpt
Short excerpt from the public Chrome Web Store listing; full copy is available on the official store page.
🟢 FlowCrypt adds a Secure Compose button to Gmail so you can send encrypted emails and attachments using OpenPGP. It is designed for individuals, teams, and Google Workspace organizations that need private email communication without changing their Gmail workflow. 🟢 You can generate a new PGP key in a few clicks, use an existing key, send encrypted attachments, sign messages, and exchange encrypted email even with recipients who don't use FlowCrypt. 🟢 FlowCrypt lets you use PGP encryption by generating a private and public key. It uses the recipient’s public key to encrypt the email, and only the recipient’s private key can decrypt the message and reveal its content. 🟢 We update the extension regularly (see the "Updated" field to the right). FlowCrypt allows you to: ✔ Set up the extension in just a few clicks. ✔ Generate private keys using the ECC and RSA (up to 4096-bit) algorithms…

Listing SEO keywords

Search intent keywords
Keyword signals for evaluating how users may discover, compare, or search for this extension category.

Core discovery

PGP for Gmailencrypt Gmail messagesOpenPGP Chrome extensionsecure Gmail attachments

Comparison

FlowCrypt vs Mailvelope

Problem

how to encrypt GmailGmail email privacysecure email for Google Workspace

Alternative

Gmail PGP alternativeencrypted email extension

Similar extensions

Jump to related discovery paths:

FAQ

What is FlowCrypt mainly used for?
A Chrome extension that enables users to encrypt and sign emails and attachments within Gmail using PGP keys. It supports key generation (ECC/RSA) and allows communication with both PGP users and non-PGP users via password-protected emails.
What market signals stand out?
Visible niche traction with moderate review base. Last known update: 06/25/2026.
What should builders compare before entering this space?
Compare install concentration, rating quality, update recency, screenshots, developer portfolio, listing claims, and review-backed friction signals.
Is this page review-backed?
Backed by review samples. This page combines store metadata with selected review signals, while raw store metrics remain visible for comparison.

Screenshots

FlowCrypt: Encrypt Gmail with PGP screenshot
FlowCrypt: Encrypt Gmail with PGP screenshot
FlowCrypt: Encrypt Gmail with PGP screenshot
FlowCrypt: Encrypt Gmail with PGP screenshot
FlowCrypt: Encrypt Gmail with PGP screenshot

Links

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