Developer Tools

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

Interactive developer tool for constructing, sending, and analyzing HTTP requests directly from the browser

Convert CSV files to JSON format instantly with browser-based processing

Convert YAML to JSON or JSON to YAML with full support for comments and anchors

Compare text, code, or configuration files side by side

Generate unique identifiers for development and testing

Convert between Unix timestamps and human-readable dates

Generate placeholder text and images for designs. Create Lorem Ipsum in 6 themes plus placeholder images from 7 providers with social media presets.

Convert text to ASCII art with multiple font styles including FIGlet-style, banner, block, digital, and mini

Real-time word counter with readability analysis, SEO optimization, keyword density, writing goals, and productivity tracking

Pick colors and convert between HEX, RGB, HSL, and HSV formats

Encode and decode HTML entities with XSS prevention analysis

Comprehensive HTTP status code reference with search and explanations

Searchable Git workflow cookbook with safe undo commands and best practices

Convert between JSON, YAML, XML, TOML, and CSV with real-time validation

Format, validate, and minify JSON with syntax highlighting

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

Validate JSON with detailed error messages and tree visualization

Test regular expressions with pattern library and explanations

Encode and decode URLs with component breakdown and query parsing

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

Live markdown editor with GitHub Flavored Markdown support

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

Format and beautify SQL queries with multi-dialect support

Translate SQL between dialects - auto-detects source dialect and converts syntax for MySQL, PostgreSQL, SQL Server, Oracle, SQLite, BigQuery, Redshift, and Snowflake

Build and validate cron expressions with visual interface

Free timezone meeting planner for distributed teams. Find overlap windows across 38 time zones, convert UTC/EST/PST/GMT, schedule international calls.

Generate Subresource Integrity hashes for scripts and stylesheets

Generate domain variations across all TLDs for brand protection and research

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

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

Generate realistic fake test data (names, emails, addresses, credit cards, UUIDs) with JSON, CSV, and SQL export

Generate customized .gitignore files by combining templates for languages, frameworks, IDEs, and operating systems

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

Count tokens in text for GPT-4, Claude, Llama, and other LLMs. Estimate API costs and optimize prompts for token limits

Extract file properties, size, type, dates, and SHA-256 hash. Verify file integrity for disaster recovery and backup validation

Convert page counts between book trim sizes (8.5×11 to 6×9), calculate words per page, estimate spine width, and verify KDP compatibility

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