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Developer Tools Tools | The Free Tools Directory

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Developer Tools

749 tools

Webhook Tester & Inspector

Generate temporary webhook endpoints, capture payloads, and validate signatures for GitHub, Stripe, Shopify, Twilio, and Slack

1 option💻 Developer Tools

User-Agent Parser

Parse user agent strings online free. Detect browser, OS, device type, and identify bots. Analyze Chrome, Firefox, Safari, Googlebot user agents.

1 option💻 Developer Tools

Rate Limit Calculator

Model API throttling budgets, per-client limits, and queue sizing to avoid 429 errors

1 option💻 Developer Tools

TLD Enumerator

Generate domain variations across all TLDs for brand protection and research

1 option💻 Developer Tools

AWS S3 Command Generator

Generate aws s3 sync, cp, and mv commands with the right flags. Build complex S3 CLI commands without memorizing syntax

1 option💻 Developer Tools

Webhook Payload Generator

Generate webhook payloads with HMAC signatures for Stripe, GitHub, Slack, Shopify, Twilio, SendGrid, Discord and more

1 option💻 Developer Tools

Exchange Online PowerShell Generator

Generate Exchange Online PowerShell commands for mailbox management, message tracing, distribution groups, and security audits

1 option💻 Developer Tools

Windows Update PowerShell Generator

Generate PowerShell commands for Windows Updates using PSWindowsUpdate, WUAPI, usoclient, and wuauclt with scheduling options

1 option💻 Developer Tools

Azure AD PowerShell Generator

Generate Microsoft Graph PowerShell commands for Azure AD user management, group operations, MFA status, and license reporting

1 option💻 Developer Tools

requirements.txt Generator

Generate Python requirements.txt files with popular package presets for Django, FastAPI, Data Science, ML, and more

1 option💻 Developer Tools

Dockerfile Generator

Generate optimized Dockerfiles with multi-stage builds, security best practices, and templates for Python, Node.js, Go, and Java

1 option💻 Developer Tools

Terraform Plan Explainer

Analyze Terraform plans for security risks, blast radius, and dependencies. Reduce production incidents by understanding infrastructure changes before applying them.

1 option💻 Developer Tools

Docker Command Builder

Visual Docker command generator for run, build, and compose with security best practices and preset templates

1 option💻 Developer Tools

Git Command Reference

Searchable Git workflow cookbook with safe undo commands and best practices

1 option💻 Developer Tools

Semver Calculator

Parse, validate, compare, and increment semantic versions with npm-style range checking

1 option💻 Developer Tools

Cron Expression Builder

Build and validate cron expressions with visual interface

1 option💻 Developer Tools

44+ Plastic Pollution Statistics (February 2026)

1 option💻 Developer Tools

A Barrier to New Year's Resolutions: 876 Hours on Social Media

1 option💻 Developer Tools

137+ Gen Z Online Shopping Statistics (February 2026)

1 option💻 Developer Tools

61+ Buy Now Pay Later Statistics (February 2026)

1 option💻 Developer Tools

What can $50 buy? Why Black Friday Feels Different for Millennials and Gen Z

1 option💻 Developer Tools

64+ Fintech Statistics (February 2026)

1 option💻 Developer Tools

How Many Cryptocurrencies Are There? (February 2026)

1 option💻 Developer Tools

32+ Side Hustle Statistics (February 2026)

1 option💻 Developer Tools

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