Developer Tools
Free online developer tools. JSON formatter, Base64 encoder, cron generator, and more.
27 tools available
AI Compute Cost Analyzer
Estimate the cost of running AI workloads across various LLM providers and hardware configurations.
AI Infrastructure Cost Calculator
Calculate the total cost of running AI models, including LLM tokens, GPU hosting, and vector database storage.
AI Prompt Complexity Analyzer
Analyze your prompts for token usage, semantic density, and structural clarity to optimize your LLM interactions.
AI Prompt Cost Calculator
Calculate the cost of your LLM prompts based on token usage and model pricing.
AI Prompt Token Cost Calculator
Estimate the cost of your AI prompts across different LLM models like Claude, GPT, and Gemini.
AI Token Cost Calculator
Calculate the cost of AI API calls based on token usage. Support for GPT-4, Claude, and other LLM pricing models.
Base64 Encoder/Decoder
Encode or decode Base64 data instantly. Free online Base64 converter for developers with URL-safe and line-wrap options.
Border Radius Generator
Visually create CSS border-radius values with preview. Generate smooth rounded corners for buttons, cards, and UI elements.
Color Contrast Checker - WCAG Accessibility Checker
Check color contrast ratios for WCAG accessibility compliance. Free online tool for designers and developers.
Color Converter (HEX/RGB/HSL)
Convert colors between HEX, RGB, and HSL formats instantly. Free online color converter for designers and developers.
Cron Expression Generator
Description
CSS Box Shadow Generator - Shadow Generator
Generate beautiful CSS box shadows with a visual editor. Preview, customize, and copy box-shadow CSS code instantly. Free online CSS shadow generator for developers and designers.
CSS Gradient Generator - Linear & Radial Gradient Maker
Create beautiful CSS gradients with a visual editor. Generate linear and radial gradients, customize color stops, and copy CSS code instantly. Free online gradient generator for developers and designers.
Date Format Converter
Convert dates between different formats instantly. Support for custom patterns, Unix timestamps, and ISO 8601.
Font Size Converter - CSS Unit Converter (px/em/rem/pt)
Convert font sizes between CSS units instantly - px, em, rem, pt, vh, vw. Free online font size converter for web developers and designers.
Git Changelog Generator
Generate professional changelogs from Git commit messages. Format your commit history into structured release notes automatically.
Hash Generator (MD5/SHA-1/SHA-256/SHA-512)
Generate cryptographic hashes (MD5, SHA-1, SHA-256, SHA-512) instantly. Free online hash generator for developers and security professionals.
JSON Formatter Pro
Format, beautify, and validate your JSON code instantly with our professional tool.
JSON Formatter & Validator
Format, validate, and minify JSON instantly. Free online JSON tool for developers with syntax highlighting and error detection.
Markdown to HTML Converter
Convert Markdown to HTML instantly with live preview. Free online tool for developers, bloggers, and writers.
Memory Unit Converter - Digital Storage Converter
Convert between digital storage units instantly - bits, bytes, KB, MB, GB, TB, PB and more. Free online memory converter for developers and IT professionals.
Responsive Image Size Calculator
Calculate optimal image sizes for responsive web design. Generate srcset values and dimensions for different screen breakpoints.
Story Point Estimator
Agile story point calculator using Fibonacci sequencing for sprint planning and team velocity estimation
Text Contrast Checker
Check if your text and background colors meet WCAG accessibility standards for readable web content.
URL Encoder & Decoder
Encode or decode URLs instantly. Convert special characters to URL-safe format and vice versa.
UUID/GUID Generator & Validator
Generate UUIDs (v1, v3, v4, v5) and validate UUID formats. Free online UUID generator for developers with batch generation.
YAML Formatter & Validator
Free online YAML formatter, validator, and JSON converter