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CalcHive

About CalcHive

Free browser-based tools and calculators.

What is CalcHive?

CalcHive is a collection of 142+ online tools across 17 categories. Encode Base64, format JSON, generate UUIDs, convert colours, merge PDFs, calculate subnets and a lot more.

Built for developers, designers, students and anyone who regularly works with data. No account needed.

Privacy

Every tool on CalcHive runs client-side in your browser. Text, files and images stay on your machine. There are no server-side uploads and we don't log or track what you type into the tools.

Free to Use

Everything on CalcHive is free. No account, no usage caps. Just open a tool and use it.

Tools and Categories

We currently offer 142 tools across the following 17 categories:

  • Encoding & Decoding - Encode and decode data in various formats including Base64, URL, HTML entities, and more.
  • Formatters & Beautifiers - Format, beautify, and minify code in JSON, XML, SQL, HTML, CSS, JavaScript, and more.
  • Generators - Generate UUIDs, passwords, random strings, lorem ipsum, QR codes, and more.
  • Hash & Crypto - Generate hashes (MD5, SHA), encrypt and decrypt data, and work with cryptographic tools.
  • Developer Converters - Convert between JSON, YAML, XML, CSV, TypeScript interfaces, and more.
  • Number & Color Converters - Convert between number bases, color formats, file sizes, and more.
  • Text Tools - Count words, convert case, compare text, sort lines, find and replace, and more.
  • Regex Tools - Test, debug, and learn regular expressions with interactive tools.
  • Date & Time - Convert timestamps, calculate date differences, parse cron expressions, and more.
  • Math & Science - Scientific calculator, statistics, percentage calculator, matrix operations, and more.
  • Image & Media - Resize images, convert formats, generate Base64, pick colors, and more.
  • Validators - Validate JSON, XML, YAML, emails, URLs, credit cards, and more.
  • Network & Web - Parse URLs, calculate subnets, look up HTTP status codes, and more.
  • Utilities - Diff checker, chmod calculator, cron parser, and other handy utilities.
  • Financial - Mortgage, loan, compound interest, tip, and discount calculators for everyday financial decisions.
  • Health & Fitness - BMI, calorie, TDEE, and other health and fitness calculators.
  • Unit Converters - Convert between length, weight, temperature, volume, and other measurement units.

New tools get added regularly. Got a suggestion? Drop us a line.

Technology

CalcHive is built with Next.js and statically generated for fast page loads. All tool logic runs client-side in JavaScript/TypeScript with no backend processing.

Contact

Questions, feedback or tool suggestions? Email us at contact@calchive.tools.