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20 Dev Tools
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Programming & IT Tools

Streamline your development process with specialized calculators for coding, system design, and AI integration.

Most Popular

SQL Query Builder

Visually build, format, and optimize your SQL queries with real-time syntax validation and intelligent auto-completion.

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Web Dev

JSON Formatter

Parse, validate, and format JSON data with syntax highlighting and tree view visualization for easy debugging.

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Web Dev

Regex Tester

Test, debug, and validate regular expressions in real-time with match highlighting and explanation.

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Web Dev

Big O Complexity Calculator

Estimate the time and space complexity of algorithms to optimize performance and scalability.

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Web Dev

CSS Unit Converter

Convert between CSS units like px, em, rem, vh, vw, and percentages accurately for responsive design.

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Computer

Binary & Hex Converter

Convert values between binary, decimal, octal, and hexadecimal numeral systems instantly.

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Computer

Data Structure Visualizer

Interactively visualize how arrays, linked lists, trees, and graphs behave during operations.

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Computer

Unix Timestamp Calculator

Convert Epoch time to human-readable dates or generate Unix timestamps for backend development.

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Computer

Chmod Calculator

Calculate numeric and symbolic Linux file permissions (e.g., 777, 644) easily for server management.

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Computer

IP Subnet Calculator

Calculate network addresses, broadcast addresses, subnet masks, and available host IP ranges.

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Computer

RAID Storage Calculator

Calculate the usable storage capacity, fault tolerance, and performance gains for various RAID configurations.

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Computer

Screen PPI Calculator

Calculate Pixels Per Inch (PPI), dot pitch, and display aspect ratios based on screen resolution and size.

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AI

AI Token Cost Calculator

Calculate AI token usage and costs across different models. Convert tokens to words and estimate API expenses.

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AI

Prompt Length Calculator

Calculate prompt length in tokens, characters, and words. Optimize prompts for different AI model limits.

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Computer

Code Complexity Calculator

Analyze cyclomatic complexity and maintainability index of your source code snippets.

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Computer

Database Size Estimator

Calculate projected database growth based on row count, data types, and record sizes to plan server capacity.

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Computer

PSU Wattage Calculator

Calculate the total power consumption of your PC build to select the right Power Supply Unit.

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Computer

Bottleneck Estimator

Analyze your processor and graphics card pairing to prevent performance bottlenecks in your system build.

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Computer

SSD Lifespan Estimator

Estimate the remaining lifespan of your Solid State Drive based on Terabytes Written (TBW) and daily usage.

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Computer

Video Bitrate Calculator

Calculate the optimal bitrate and predict final file sizes for video rendering, editing, and online streaming.

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Why Use Computer & Dev Calculators?

Modern software development and IT operations involve complex calculations, from estimating database growth and API costs to optimizing algorithm performance and PC hardware builds. Our free computer calculators remove the guesswork, allowing you to make data-driven decisions, optimize your code, and plan your infrastructure with precision.

Key Workflows You Can Optimize

100% Private & Secure

Your code and system configurations are sensitive. ToolCalcLab's computer calculators run entirely on your browser (client-side). We never track, store, or transmit your input data to external servers, ensuring your development workflow remains completely private and secure.

Master Your Development Workflow

Want to learn more about optimizing your code and infrastructure? Read our comprehensive Developer Productivity Guide — packed with tips for clean code, efficient algorithms, and smart infrastructure planning! 💻