12 websites for applying for free SSL certificates

Generally the free ones are sufficient.

1. letsencrypt

Free, supports wildcard domain names, and has good browser support. Baota, LNMP, LAMP, etc. generally support free acquisition of letsencrypt free SSL certificates and self-update.

Manually generate SSL certificates using acme.sh: https://github.com/Neilpang/acme.sh

2. Alibaba Cloud

Alibaba Cloud's free SSL certificate is a free DV SSL provided by Symantec for a period of one year. A maximum of 20 free certificates can be issued for one Ayun account.

Application address: https://www.aliyun.com/product/cas

3. Baidu Cloud

Baidu Cloud's free SSL certificate is a certificate product provided exclusively for Baidu Cloud users by domestic certificate service provider TrustAsia (Asia Integrity) and Symantec. The free version only supports a single domain name and the free period is 1 year.

Application address: https://cloud.baidu.com/product/ssl.html

4. Tencent Cloud

Tencent Cloud SSL Certificates are free DV SSL certificates provided by Symantec for a period of one year.

Application address: https://buy.cloud.tencent.com/ssl

5. chinaz

The webmaster tool certificate service is a basic-level DV SSL certificate provided by Symantec, which provides a domain name free version (DV) for one year.

Application address: https://aq.chinaz.com/SSL

6. Cloudflare

Cloudflare provides free SSL certificate services for small personal websites and blogs. It only supports modern browsers that have extended support for the Server Name Indication (SNI) protocol, which means it does not support IE6 and earlier versions, and Android browsers running Android 2.2 or older.

Application address: https://www.cloudflare.com/ssl

7. Didi Cloud

Didi Cloud's free SSL certificate is a basic-level DV SSL certificate provided by Symantec, which provides a domain name-based free version (DV) for one year.

Application address: https://www.didiyun.com/production/cert.html

8. Qingyun

QingCloud's free SSL certificate is a basic-level DV SSL certificate provided by Symantec, offering a domain name-based free version (DV) for one year.

Application address: https://www.qingcloud.com/pricing#/SSLCertificate

9. AlwaysonSSL

AlwaysonSSL is a new free and automatic certificate authority. It is run by CertCenter and Digicert and provides 12 months of free DV SSL certificates, but does not currently support the issuance of ECC certificates. It is very simple to apply and is suitable for small and medium-sized webmasters.

Application address: https://alwaysonssl.com/issue.php

10. Jing'an

Through Jing'an, you can obtain a basic-level DV SSL certificate provided by Symantec, which can be used free of charge for one year.

Application address: https://www.zzidc.com/ssl/showfree

11. FreeSSL.org

FreeSSL.org is a website that provides free HTTPS certificate application, HTTPS certificate management and HTTPS certificate expiration reminder services. It aims to promote the popularization and application of HTTPS certificates and simplify the certificate application process.

Application address: https://freessl.org

12. NakedSSL

Application address: https://www.nakedssl.com