# projectdiscovery/tlsx

Fast and configurable TLS grabber focused on TLS based data collection.

Repository: https://github.com/projectdiscovery/tlsx
Canonical: https://ross.abutalabs.com/products/tlsx
Language: Go
License: MIT
License Family: permissive
Last push: 2026-09-02T03:13:04+00:00

## Health v2 (maintenance only)
Score: 90/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 100, release rhythm 72, longevity 100
- inputs: {"age_days": 1560, "days_push": 0, "days_rel": 31, "gap_med": 96, "n_releases_24m": 6}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1135, forks 156 (observed 2026-09-03T02:15:17.089892+00:00)

## What it is
TLSX is a fast and configurable TLS grabber written in Go that collects and analyzes TLS-based data from hosts. It supports multiple TLS connection modes, probes for certificate details, and TLS fingerprinting via JARM/JA3.

## Use cases
- grab TLS certificates from a list of hosts
- collect subject alternative names and certificate details from servers
- compute JARM and JA3 TLS fingerprints
- detect TLS misconfigurations across a network
- enumerate SANs and CNs during reconnaissance
- scan hosts on ASN, CIDR, IP, or URL inputs for TLS data
- output TLS data as JSON for pipelines

## When to choose
- you need fast, scriptable TLS data collection at scale
- you want TLS fingerprinting like JARM/JA3 in a CLI workflow
- you need JSON/TXT output for automation pipelines
- you want flexible TLS connection modes and cipher/SNI control

## When to avoid
- you need deep TLS vulnerability exploitation rather than data collection
- you want a GUI-based certificate inspector
- you need continuous certificate monitoring with alerting rather than on-demand scanning

## Facets
- artifact type: cli-tool
- maturity: active
- function: security, networking, developer-tools
- domain: security, networking, developer-tools
- platform: windows, cli, go
- tags: tls, tls-grabber, certificate-inspection, jarm, ja3, tls-fingerprinting, reconnaissance, projectdiscovery, command-line, linux, macos

## Member repositories
- projectdiscovery/tlsx (main) score 90

## Provenance
- Observed fields: from GitHub, fetched 2026-09-03T02:15:17.089892+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T06:37:28.117248+00:00, confidence not recorded.
  - readme: https://github.com/projectdiscovery/tlsx (fetched 2026-09-03T02:15:17.089892+00:00, sha cb3c398f806e)
- Data as of 2026-08-30T08:39:29.467469+00:00.