Best alternatives to Sigo - Assinatura Digital e Biometria (2026)
6 Chrome extensions that do a similar job to Sigo, closest first. Each shows real store users, its rating, how recently it was updated and how many permissions it asks for.
Sigo - Assinatura Digital e Biometria today
Sigo alternatives, compared
- 1
Assinatura Digital - ASSINE PELA INTERNET
Realize Assinaturas Digitais no navegador.
≈10K users5.0★ from 7 ratingsNot updated for 3+ years2 permissions- About 10× more users than Sigo
- Updated less recently
- Asks for more permissions (2 vs 1)
- 2
Apia digital signature
This extension allows Apia to access Java applications required to digitally sign content.
≈30K users3.0★ from 5 ratingsNot updated for 4+ years2 permissions- About 30× more users than Sigo
- Updated less recently
- Asks for more permissions (2 vs 1)
- 3
Signer.Digital Digital Signature, PKI
Digital Signature of eReturns, PDF & Web User Auth, RSA Encryption/Decryption, Certificate Enrollment/Download on Smartcard.
≈3M users4.2★ from 63 ratingsUpdated 5 weeks ago1 permissions- About 3000× more users than Sigo
- Updated more recently
- 4
FEPWeb CMS Digital Signature Extension
This extension is used to digitally sign documents with digital certificates.
≈200K users2.2★ from 34 ratingsUpdated 11 months ago7 permissions- About 200× more users than Sigo
- Updated more recently
- Asks for more permissions (7 vs 1)
- 5
GXC Digital Sign
This extension enables users to make one or more digital signatures of one or more documents in pdf, xml or binary format.
≈20K users1.5★ from 8 ratingsUpdated 7 months ago2 permissions- About 20× more users than Sigo
- Updated more recently
- Asks for more permissions (2 vs 1)
- 6
Web Signer
Extensão para assinatura digital no browser
≈2M users3.0★ from 185 ratingsUpdated 7 weeks ago4 permissions- About 2000× more users than Sigo
- Updated more recently
- Asks for more permissions (4 vs 1)
Sigo alternatives: questions
What is the best alternative to Sigo?
By users, the most popular alternative is Signer.Digital Digital Signature, PKI with ≈3M users and a 4.2-star rating. The closest match by what it does is Assinatura Digital - ASSINE PELA INTERNET.
Which Sigo alternative has the best rating?
Signer.Digital Digital Signature, PKI has the highest rating of these alternatives with 50+ ratings: 4.2 out of 5 from 63 ratings.
How many alternatives to Sigo are there?
We list 6 close alternatives to Sigo on the Chrome Web Store, picked by what they do and ranked by how close they are.
Users and ratings are the figures shown on the Chrome Web Store, re-checked continuously. Alternatives are matched on name, description, category and topic. Browse best-of lists by niche.