Developer Tools
JSON formatter, base64, and code tools. Essential utilities for modern developers.
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Featured calculators
Common starting points in developer tools, chosen from the tools already available in this category.
JSON Formatter
Make your JSON data readable and pretty.
Base64 Converter
Encode or decode strings to base64.
Binary Converter
Convert between decimal and binary numbers.
Binary to Hex Converter
Convert binary numbers to hexadecimal with 4-bit grouping, conversion steps, examples, and a binary-to-hex chart.
Hex to Binary Converter
Convert hexadecimal to binary numbers.
Hex to Decimal Converter
Convert hexadecimal to decimal numbers.
Popular workflows
Useful paths through this category
Follow a short workflow when one calculator naturally leads to another.
Number-base conversion path
Convert between binary, hexadecimal, and decimal formats.
Base64 workflow
Encode text or move between images and Base64 strings.
Category note
Do not paste secrets, passwords, private keys, or sensitive production data into online tools unless the workflow is appropriate for that data.
Related Guides
Practical guides that support the tools in this category.
What this category helps with
Format, encode, decode, and convert data across JSON, Base64, binary, hexadecimal, decimal, colors, and developer utility workflows.
Common tasks
- Format JSON for readability.
- Encode or decode Base64.
- Convert binary, decimal, and hexadecimal values.
- Convert hex colors to RGB.
Why Calzivo makes it easier
Developer tools keep common conversions quick, readable, and easy to copy while staying focused on practical debugging and learning tasks.
Explore Other Categories
Discover more tools across different categories.
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Quick calculators and converters for everyday tasks and value checks.
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Estimate loan payments, savings growth, APR, taxes, and retirement scenarios.
Business Calculators
Tools for profit, margin, and growth. Built for entrepreneurs who move fast.
Math Calculators
Solve equations and geometry problems instantly. Simple math, fast results.
Health & Fitness Calculators
Estimate BMI, calories, fertility dates, and common health-planning metrics.
Date & Time Calculators
Calculate age, duration, and time zones. Manage your time with precision.
Frequently Asked Questions
Questions about developer conversions, sensitive data, and choosing the right encoding or number-base tool.