DevSecOps Tools
DevSecOps Tools
27 free browser-based DevSecOps tools — CVSS scoring, secrets scanning, CI/CD linting, Kubernetes validation, and SLO calculators. All run locally, no data transmitted.
🔒 Browser-only — no data sent
⚡ Zero account required
📦 27 free tools
security
CVSS Calculator→
Decode any CVSS 3.x vector string into a full severity breakdown.
security
Secrets Leak Scanner→
Detect exposed credentials before they reach your repo.
security
Dependency CVE Scanner→
Check npm and pip packages against known critical CVEs.
security
CVE ID Validator→
Validate CVE identifier format and link to the NVD advisory.
security
CWE ID Validator→
Validate CWE identifier format and understand the CWE vs CVE distinction.
security
MITRE ATT&CK ID Checker→
Validate ATT&CK technique IDs and look up tactic categories.
infrastructure
CIDR Calculator→
Calculate network address, host range, and broadcast for any CIDR block.
infrastructure
SSL Certificate Expiry Checker→
Classify SSL certificate expiry risk in bulk from exported cert data.
ops reliability
SLO Burn Rate Calculator→
Calculate error budget burn rate and SLO violation risk.
ops reliability
API Rate Limit Calculator→
Check API rate limit utilization and remaining buffer before your pipeline hits 429.
devops utilities
JWT Decoder→
Inspect tokens, claims, and expiry. Decodes locally in your browser; signature is not verified.
devops utilities
Kubernetes Manifest Linter→
Check K8s manifests for missing resource limits, probes, and security issues.
devops utilities
Dockerfile Linter→
Check Dockerfiles for :latest tags, root USER, and missing HEALTHCHECK.
sre
Apdex Score Calculator→
Calculate Apdex from request counts and get an instant SLO health rating.
sre
MTTR Calculator (SRE)→
Calculate MTTR, MTTD, MTTF, and availability estimate from your incident log.
platform
GitHub Actions Validator→
Validate GitHub Actions workflow YAML against the official schema — no account required.
platform
PKCE Generator→
Generate RFC 7636-compliant PKCE code_verifier and code_challenge pairs in your browser.
security
SPDX License Reference→
Search all SPDX license identifiers with OSI and FSF approval status.
security
npm Package Name Validator→
Validate an npm package name against the full npm naming rules before publishing.
security
PyPI Package Name Validator→
Validate a PyPI package name against PEP 508 and compute its PEP 503 normalized form.
platform
GitLab CI/CD Validator→
Validate .gitlab-ci.yml structure without a GitLab account or API connection.
sre
On-Call Fairness Calculator→
Measure on-call shift distribution equity across your SRE team with Gini coefficient scoring.
sre
Kubernetes HPA Calculator→
Compute the exact replica count your Kubernetes HPA controller will target.
platform
OpenAPI 3.x Validator→
Validate OpenAPI 3.0 and 3.1 specifications — no Swagger Editor bloat required.
sre
Percentile Calculator (SRE)→
Compute P50, P95, P99, and P99.9 latency percentiles from a raw sample set.
platform
Helm Chart Validator→
Validate Chart.yaml and values.yaml structure before helm install or helm lint.
sre
Alerting Threshold Calculator→
Compute multi-window SLO burn rate alert thresholds from the Google SRE Workbook method.