No. 6 of 41 ·Email Signature Management Software

AdSigner

Web · Windows · API · Extension · paid plans from €1.20/mo

Freedom report

Two barsScore 6.5

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely2 of 6 device platforms
DocumentedPlans, terms and facts published

AdSigner is ranked #6 of 41 in email signature management software on Freedom251. It runs on API, Browser extension, Web, Windows. There is a free plan. A free trial is offered. Paid plans start at €1.20/mo.

AdSigner plans and pricing

All plans

Signature Users (1 user) Free Free 1 user with signatures · 6.00 GiB monthly data transfer included adsigner.com · 8 Oct 2026

Signature Users (501+) €1.20/mo €1.20 per user · 40% off 501+ users · 6.00 GiB monthly data transfer included adsigner.com · 8 Oct 2026

Signature Users (51–500) €1.40/mo €1.40 per user · 30% off 51–500 users · 6.00 GiB monthly data transfer included adsigner.com · 8 Oct 2026

Signature Users (21–50) €1.60/mo €1.60 per user · 20% off 21–50 users · 6.00 GiB monthly data transfer included adsigner.com · 8 Oct 2026

Signature Users (6–20) €1.80/mo €1.80 per user · 10% off 6–20 users · 6.00 GiB monthly data transfer included adsigner.com · 8 Oct 2026

Signature Users (2–5) €2/mo €2.00 Per user · 6.00 GiB monthly data transfer included adsigner.com · 8 Oct 2026

Compared on email signature management software

Free plan: No
Directory sync: Yes

Best AdSigner alternatives

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The record

Product: AdSigner centrally manages employee email signatures and can deploy them across an organization.
Branding: It supports branded signatures for different departments, roles, regions, locations, or company brands.
Campaigns: Campaign banners can promote offers, events, content, and company news in employee emails.
Analytics: Analytics tracks signature and campaign views, clicks, and CTR, with reports exportable to Excel, CSV, or JSON.
Integrations: Directory sync supports Microsoft Entra ID, Google Directory, JSON endpoints, custom API sources, and manual Excel, CSV, or JSON imports.
Deployment: Deployment options include Microsoft 365 and Outlook add-ins, Google Workspace and Gmail add-ons, AdSigner Agent for Outlook or Thunderbird, HTML copy-and-paste, and API-based deployment.
Security: AdSigner says it does not route or access email content and processes employee directory data and signature configuration to generate signatures.
Compliance: The security page states that AdSigner is GDPR compliant, offers a Data Processing Agreement, and has an SSL certificate.
Disclaimers: Administrators can centrally enforce disclaimers and restrict access to compliance settings through role-based permissions.
Support: Standard support is included with subscriptions and offers a response within 24 business hours via email or chat.
Pricing limits: The pricing page includes 6.00 GiB monthly data transfer and lists extra transfer at €6.00 for a 64.00 GiB additional limit.
Intended users: The product page identifies marketing, HR, IT, and leadership as teams it is built to support.
Company history: An AdSigner company article says the team was working on a client communication challenge in 2012, which led them to recognize email's advertising potential.
Headquarters: Ljubljana, Slovenia
Price from: €1.20/mo

Where it ranks on Freedom251

Best Email Signature Management Software in 2026#6 of 41
Best Email Signature Software in 2026#4 of 29

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Sources

adsigner.com/en/email-signatures/product-summary· checked 8 Oct 2026
adsigner.com/en/email-signatures/features/analytics· checked 8 Oct 2026
adsigner.com/en/email-signatures/features/directory-· checked 8 Oct 2026
adsigner.com/en/email-signatures/features/deployment· checked 8 Oct 2026
adsigner.com/en/email-signatures/features/security-a· checked 8 Oct 2026
adsigner.com/en/support· checked 8 Oct 2026
adsigner.com/en/pricing· checked 8 Oct 2026
adsigner.com/en/blog/about-adsigner· checked 8 Oct 2026