Developer Utilities Tools

curl ↔ fetch, git-log parser, regex visualiser, GraphQL builder.

60 tools · all run in your browser

Collection JSON → cURL

1

Convert Collection JSON v2.1 requests into cURL one-liners

Git Diff → HTML

1

Convert unified git diff output to syntax-highlighted HTML

Regex Visualizer

1

Visualize regex patterns as a readable railroad diagram (text)

Makefile Explainer

1

Parse a Makefile and explain each target and its dependencies

Shell Script Linter

1

Check shell scripts for common issues and bad practices

GitHub Actions Visualizer

1

Parse a GitHub Actions workflow and show job/step dependencies

HAR File Viewer

1

Parse and summarize HTTP Archive (HAR) files

API Response Mocker

1

Generate mock API JSON responses from a URL + method description

GraphQL Query Builder

2

Generate GraphQL queries from a schema definition

OpenAPI → TypeScript

2

Generate TypeScript interfaces from an OpenAPI schema

Diff Patch Applier

1

Apply a unified diff patch to source text

GraphQL Introspection → SDL

2

Convert GraphQL introspection JSON to SDL schema

HTTP Request Replayer

1

Generate fetch/axios/curl code from raw HTTP request text

cURL → fetch()

2

Convert a curl command into a JS fetch() call

Git Log Parser

1

Parse git log output into structured JSON

HTTP → cURL Builder

1

Build a curl command from method, URL, headers & body fields

SemVer Bump

1

Compute next major / minor / patch / prerelease

Apache/Nginx Log Parser

2

Parse combined log format lines into JSON (host, status, UA…)

Sed Simulator

1

Interactive sed command simulator

Grep Simulator

1

Interactive grep pattern matcher

AWK Simulator

1

Interactive AWK processor

File Properties

1

Analyze file metadata, size, encoding, line count

Duplicate File Finder

1

Find duplicate files by comparing content hashes

Rate Limiter Calculator

1

Calculate rate limiting scenarios with token bucket algorithms and capacity planning

Load Balancer Simulator

1

Simulate load balancer distribution algorithms (round-robin, weighted, consistent hashing)

Circuit Breaker Simulator

1

Simulate circuit breaker state transitions and failure recovery scenarios

Latency Simulator

1

Simulate latency impact on performance with waterfall analysis and cascading delays

APDEX Scorer

1

Calculate Application Performance Index (APDEX) scores with satisfaction thresholds

Error Budget Tracker

1

Track error budget allocation and consumption with burn rate analysis

MTTR Analyzer

1

Analyze mean time to repair and incident metrics with P95 calculations

Carbon Footprint Estimator

1

Estimate carbon footprint of computation and energy usage

Power Consumption Analyzer

1

Analyze power draw and requirements for multiple devices and UPS sizing

Database Connection Tester

2

Test database connections for MySQL, PostgreSQL, SQLite with latency analysis

SQL Parser

2

Parse SQL queries and extract structure (tables, columns, joins)

SQL Optimizer

2

Analyze SQL queries for optimization suggestions and performance improvements

Query Explainer

2

Explain SQL query execution with index analysis and optimization hints

Database Schema Validator

1

Validate database schemas for naming conventions and best practices

Data Migration Simulator

2

Simulate database migration scenarios with data transformation and conflict detection

Backup & Restore Simulator

2

Simulate backup and restore operations with recovery time analysis

Database Replication Simulator

2

Simulate database replication scenarios with lag analysis and consistency checking

Docker Command Builder

1

Build Docker commands with flags for run, build, exec, logs, and more

Dockerfile Optimizer

2

Analyze and optimize Dockerfiles for size, speed, and best practices

Docker Compose Validator

1

Validate docker-compose.yml files with warnings and best practices

Kubernetes Manifest Validator

2

Validate Kubernetes YAML manifests for correctness and best practices

Helm Chart Simulator

2

Simulate Helm chart rendering with value overrides and manifest generation

Terraform Plan Analyzer

2

Analyze Terraform execution plans with risk assessment and change summary

Ansible Playbook Simulator

2

Simulate Ansible playbook execution with task results and status

Vagrant Configuration Builder

1

Generate Vagrant configuration files for VM setup and provisioning

Docker Registry Simulator

1

Simulate Docker registry operations (push, pull, list, delete images)

Container Orchestration Simulator

2

Simulate container orchestration scenarios (deploy, scale, failover)

Git Command Builder

1

Build git commands with interactive options for clone, commit, push, pull, merge

Git Conflict Resolver

1

Simulate and guide through git merge conflict resolution strategies

Git Diff Analyzer

1

Analyze git diffs with statistics on changes, complexity, and impact assessment

Git Blame Simulator

1

Simulate git blame functionality to see commit history and authorship of code lines

Git Bisect Simulator

1

Simulate binary search through commit history to find regression-causing commits

Submodule Manager

1

Manage git submodules with add, update, remove, and list operations

Gitflow Simulator

1

Simulate gitflow workflow scenarios for features, releases, and hotfixes

Semantic Versioning Analyzer

1

Analyze and calculate semantic versioning with major, minor, patch increments

Changelog Generator

1

Generate changelog entries from commits in Keep a Changelog or Conventional formats

Commit Message Validator

1

Validate commit messages against conventional and imperative style guidelines

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