Tools
Git Commit Message Linter
Conventional Commits spec check with exact failure reasons, plus a picker for which type to use if you're not sure.
Try it now →CODEOWNERS Generator
Path patterns to owners - valid CODEOWNERS file, bottom-to-top matching explained.
Try it now →.gitattributes Generator
Line endings, language diff settings, Git LFS, and vendored paths in one file.
Try it now →Git Hooks Generator
Pick a hook type and checks, get a working shell script plus install steps.
Try it now →Branch Naming Convention Checker
Check a branch name against type/description, Jira-style, or kebab-case.
Try it now →Squash vs Merge vs Rebase Explainer
What you care about to a recommended merge strategy, with the real tradeoffs shown.
Try it now →Merge Conflict Complexity Estimator
File overlap and edit density between two branches to a conflict-risk score before you merge.
Try it now →.gitignore Generator
Merge and dedupe standard .gitignore patterns for 15+ stacks.
Try it now →Changelog / Release Notes Generator
Versioned entries to Keep a Changelog-formatted markdown.
Try it now →PR Description Generator
Summary, changes, and testing notes to a clean, template-formatted pull request description.
Try it now →README Badge Generator
Pick a preset or customize - a working shields.io badge URL and markdown, live preview included.
Try it now →GitHub Actions Workflow Generator
Trigger, runtime, and steps to a complete, valid workflow YAML.
Try it now →Dockerfile Layer-Size Estimator/Linter
Static lint for common Dockerfile anti-patterns.
Try it now →.dockerignore Generator
Pick your stack, get a merged .dockerignore that keeps build context small.
Try it now →Docker Multi-Stage Build Analyzer
Paste a Dockerfile - see if it is multi-stage and whether splitting build tooling out would help.
Try it now →Docker HEALTHCHECK Generator
HTTP, TCP, or custom command to a valid Dockerfile HEALTHCHECK instruction.
Try it now →Docker Compose Generator
Pick common services, get a valid docker-compose.yml with dependencies.
Try it now →Kubernetes Resource Request/Limit Calculator
Average and peak memory/CPU usage to a resources.requests/limits YAML snippet.
Try it now →Kubernetes Probe Generator
Liveness, readiness, or startup - HTTP, TCP, or exec - a valid probe YAML block with correct successThreshold rules.
Try it now →Kubernetes HPA Calculator
Current replicas and utilization to the exact replica count the HPA controller would scale to, plus a valid HPA YAML.
Try it now →Kubernetes ConfigMap / Secret Generator
Key-value pairs to a valid ConfigMap or Secret manifest, Secret values base64-encoded correctly.
Try it now →Kubernetes Ingress Generator
Host, path, backend service, and optional TLS - a valid networking.k8s.io/v1 Ingress manifest.
Try it now →Kubernetes PodDisruptionBudget Calculator
Replica count and minAvailable/maxUnavailable to exactly how many pods can be evicted at once, plus a valid PDB manifest.
Try it now →CORS Config Generator/Explainer
Origins, methods, headers to generated CORS headers.
Try it now →JWT Inspector
Decode a JWT header and payload, check expiry - decode-only, signing key never needed.
Try it now →Bcrypt Cost Factor Calculator
A measured benchmark on your hardware plus a target hash time to the right bcrypt cost factor.
Try it now →AWS IAM Policy Generator
Service, access level, and a resource ARN to a valid, scoped IAM policy JSON.
Try it now →API Key Format Identifier
Paste a key prefix - which service it belongs to, based on documented prefix conventions.
Try it now →OAuth Redirect URI Validator
Check a redirect URI against the OAuth 2.0 Security BCP - HTTPS, exact-match, no wildcards.
Try it now →Session Cookie Security Checker
Paste a Set-Cookie header - HttpOnly, Secure, SameSite checked, each missing flag mapped to its risk.
Try it now →CORS Preflight Simulator
Method, Content-Type, and headers - whether a preflight OPTIONS request fires, per the Fetch spec.
Try it now →HTTP Header Analyzer
Paste response headers, get plain-English explanations.
Try it now →Subnet Calculator
CIDR notation to network address, broadcast address, subnet mask, and usable host range.
Try it now →CIDR Overlap Checker
Check whether two CIDR blocks overlap - catch VPC peering and routing conflicts before provisioning.
Try it now →Rate Limit Header Explainer
Paste X-RateLimit or RateLimit response headers - remaining quota and reset time in plain English.
Try it now →Nginx / Apache Config Generator
Reverse proxy, SSL redirect, gzip - a valid server block or VirtualHost.
Try it now →DB Connection String Builder/Parser
Postgres, MySQL, MongoDB - parse or build connection strings.
Try it now →Redis Memory Estimator
Key count, avg key/value size, and data structure to an estimated Redis memory footprint.
Try it now →Connection Pool Sizing Calculator
Requests/sec and avg query time, via Little's Law, to a recommended pool size.
Try it now →SQL Query Formatter
Paste a one-line SQL query - broken onto clauses with keywords uppercased.
Try it now →Index Selectivity Estimator
Total rows and distinct values in a column to a selectivity score - will an index actually help.
Try it now →Data Migration Risk Calculator
Row count, downtime tolerance, rollback complexity to risk level.
Try it now →API Rate-Limit Budget Calculator
Rate limit and usage pattern to time-until-exhausted.
Try it now →Curl-to-Code Converter
Paste a curl command, get Python, JS, Go, or Rust.
Try it now →Webhook Payload Validator/Formatter
Pretty-print and detect Stripe/GitHub/Slack payload shapes.
Try it now →OpenAPI Validator
Structural checks on a JSON OpenAPI spec - missing responses, missing fields, broken $ref pointers.
Try it now →GraphQL Query Complexity Estimator
Paste a GraphQL query - field count and nesting depth to a complexity score and risk level.
Try it now →HTTP Status Code Reference
Search HTTP status codes by number or name - what each one actually means.
Try it now →API Deprecation Notice Generator
Feature, replacement, sunset date - RFC 8594 Deprecation/Sunset headers plus a docs notice.
Try it now →.env File Diff/Validator
Compare two .env files by key name only - values never processed.
Try it now →Build Cache Hit-Rate Estimator
Build time with and without cache, plus hit rate, to hours saved per month.
Try it now →Pipeline Duration Budget Calculator
List CI stages and a target budget - total duration, overage, and which stage to optimize first.
Try it now →Deployment Frequency Calculator
Deployments over a period, classified against the DORA Elite/High/Medium/Low tiers.
Try it now →CI/CD Pipeline Config Generator
GitLab CI or CircleCI - stages, runtime, and caching to a valid config.
Try it now →Lambda Cold Start Cost Calculator
Invocations, cold start rate, extra duration, and memory to the real extra monthly cost.
Try it now →Terraform Plan Change Counter
Paste terraform plan output - add/change/destroy counts and which resources are being destroyed.
Try it now →Cloud Resource Naming Validator
AWS S3, Azure (resource groups, storage, VMs, Key Vault), or GCP buckets and service accounts - one tool for every provider's naming rules.
Try it now →Cloud VM Cost Estimator
Your rate, schedule, and instance count - monthly/annual cost, plus savings vs always-on.
Try it now →Load Testing Capacity Calculator
Concurrent users and response time to required req/sec.
Try it now →Test Flakiness Rate Calculator
Total runs and failures to a flakiness score - peaks near a 50/50 split, not a consistent failure.
Try it now →Test Coverage Gap Calculator
Total lines, covered lines, and a target % to exactly how many more lines need coverage.
Try it now →Test Selector Robustness Checker
Paste a CSS or test selector - flagged robust, moderate, or fragile based on what breaks in CI.
Try it now →Test Pyramid Ratio Calculator
Unit, integration, and e2e counts - your test shape, and whether it inverted into the ice cream cone.
Try it now →Flaky Test CI Cost Calculator
Flake rate, retry count, and CI cost per minute - the real monthly cost flaky tests are burning.
Try it now →Jest Mock Reset Strategy Explainer
clearMocks vs resetMocks vs restoreMocks - what each does, cumulative not alternative.
Try it now →Log Level Reference
TRACE through FATAL - when to use each level, an example, and production guidance.
Try it now →Alert Threshold Calculator
Baseline mean, std deviation, and a sigma multiplier to a statistically grounded alert threshold.
Try it now →PromQL Rate Query Builder
Metric, labels, range window, aggregation - a syntactically valid rate/irate/increase query.
Try it now →SLO Error Budget Calculator
SLO target, window, and downtime so far - your actual spendable error budget in minutes.
Try it now →Prometheus Alert Rule Generator
Expression, threshold, and for-duration - a valid Prometheus alerting rule YAML.
Try it now →Log Query Syntax Translator
The same filters, translated into Kibana KQL, Datadog, and Splunk SPL syntax side by side.
Try it now →On-Call Burnout Sustainability Calculator
Pages per week and rotation length vs industry health signals.
Try it now →SLA Uptime-to-Downtime Converter
Uptime % to allowed downtime per day/week/month/year.
Try it now →Cron ↔ Natural Language Converter
Cron syntax to plain English, and back.
Try it now →chmod File Permission Calculator
Pick read/write/execute per owner/group/other - the numeric and symbolic chmod value.
Try it now →Cron to systemd Timer Converter
Paste a cron expression - the equivalent systemd OnCalendar= line for a .timer unit.
Try it now →Bash Strict Mode Header Generator
Pick set -e, set -u, pipefail, safe IFS, and an error trap - a commented script header.
Try it now →Environment Variable Naming Checker
Check a name against portable POSIX conventions - UPPER_SNAKE_CASE, no hyphens, no leading digit.
Try it now →Cron Job Builder
Visual picker for the exact crontab line, plus how to install it.
Try it now →Backup Script Generator
Runnable Bash or PowerShell backup script, with the cron/Task Scheduler line.
Try it now →systemd Service File Generator
A complete .service file plus install instructions.
Try it now →SemVer Bump Advisor
Advise your next version from what changed, or compare two versions and classify the difference - major, minor, or patch.
Try it now →License Compatibility Checker
Two licenses - a general compatibility note, permissive vs copyleft, one-way compatibility explained.
Try it now →Feature Flag Cleanup Tracker
Track flags by age, flag stale ones as review candidates.
Try it now →Dependency Graph Visualizer
Paste package.json - dependencies grouped by type, plus packages listed twice with conflicting versions.
Try it now →Cargo.toml Dependency Auditor
Paste Cargo.toml - every dependency listed, with wildcard or bare-major version ranges flagged.
Try it now →Cyclomatic Complexity Calculator
Paste one function - get its cyclomatic complexity score, the same signal behind Repository Analysis.
Try it now →Code Duplication Detector
Paste code - find repeated 4+ line blocks and the percentage of duplicated lines.
Try it now →Code Churn Visualizer
Paste git log churn output - a ranked bar chart of your highest-churn files.
Try it now →Technical Debt "Interest Rate" Estimator
When does fixing it properly pay for itself?
Try it now →Dependency Impact Calculator for Non-Code Systems
Map blast radius for spreadsheets, processes, infrastructure.
Try it now →Bundle Size Budget Calculator
Bundle size, connection speed, and target load time - is your JS bundle within budget.
Try it now →CSS Specificity Calculator
Paste a CSS selector - IDs, classes, and elements broken down, plus the specificity score.
Try it now →Color Contrast Checker
Two colors to the exact WCAG contrast ratio, and whether it passes AA and AAA.
Try it now →Core Web Vitals Checker
LCP, INP, and CLS against Google's published thresholds - Good, Needs Improvement, or Poor.
Try it now →React useEffect Dependency Checker
Paste a useEffect/useMemo/useCallback call - identifiers used vs declared deps, mismatches flagged.
Try it now →Browser Bookmarklet Generator
A small safe preset list, turned into a draggable javascript: bookmarklet.
Try it now →JSON to TypeScript Interface Generator
Paste a JSON sample - a TypeScript interface, nested objects broken into named interfaces.
Try it now →Base64 Encoder/Decoder
Encode or decode Base64 with correct UTF-8 handling - emoji survive the roundtrip.
Try it now →JSON to CSV Converter
Paste a JSON array of objects - a proper CSV, columns are the union of keys across every row.
Try it now →URL Encoder/Decoder
Encode or decode a URL component or a full URL - two distinct modes for two different jobs.
Try it now →Visual Regex Builder
Compose a regex from building blocks - pattern out, plain-English explanation.
Try it now →package.json Script Explainer
Paste package.json - plain-English explanations of what each npm script actually runs.
Try it now →Go Module Dependency Explainer
Paste go.mod - direct vs indirect dependencies split out, plus any replace directives.
Try it now →© 2026 ArchSetu. All rights reserved.