Programming and Web
Online programming and web calculators: code converters, hash generators, text encoders, regex testers and more. Essential tools for developers and webmasters.
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API Rate Limit Calculator
API Rate Limit Calculator Calculate API rate limits, burst capacity, and quota management strategies
Base64 Encoder and Decoder
Base64 Encoder and Decoder Encode and decode Base64 strings for free, entirely in your browser. This
Big O Notation Calculator Complexity Analyzer
Big O Notation Calculator Analyze algorithm complexity and calculate time/space complexity using Big
Binary Search Calculator
Binary Search Calculator Interactive binary search algorithm visualizer and calculator for developer
Binary to Decimal Converter
Binary to Decimal Converter Convert binary numbers (base-2) to decimal numbers (base-10) instantly.
Bug Fix Time Estimator
Bug Fix Time Estimator Estimate development time for bug fixes based on complexity, developer experi
Burndown Chart Generator
Burndown Chart Generator Generate agile burndown charts to track sprint progress. Calculate remainin
CSS Unit Converter px to em rem percent vh vw
CSS Unit Converter Convert between px, em, rem, percent, vh, and vw units. Perfect for responsive de
Cache Hit Ratio Calculator
Cache Hit Ratio Calculator Calculate cache performance metrics including hit ratio, miss ratio, and
Character Count Tool
Character Count Tool Count characters, words, lines, and analyze text metrics for developers, writer
Code Golf Character Counter
Code Golf Character Counter Count characters, bytes, and analyze text complexity for code golf chall
Code Review Time Estimator
Code Review Time Estimator Estimate code review time based on lines of code, complexity, and reviewe
Cost of Downtime Calculator
Cost of Downtime Calculator Calculate the financial impact of service downtime for web applications
Data Center Power Usage Effectiveness PUE Calculator
Data Center Power Usage Effectiveness (PUE) Calculator Calculate and analyze your data center's Powe
Date Difference Calculator Age Calculator for Code
Date Difference Calculator Calculate precise time spans between dates in years, months, weeks, and d
Decimal to Binary Converter
Decimal to Binary Converter Convert decimal numbers to binary representation instantly. Perfect for
Deployment Frequency Calculator
Deployment Frequency Calculator Calculate and analyze your deployment frequency metrics to measure D
Fibonacci Sequence Calculator Iterative vs Recursive Performance
Fibonacci Sequence Calculator Compare iterative vs recursive performance for calculating Fibonacci n
Flexbox Calculator
Flexbox Calculator Calculate flexbox properties, visualize layouts, and understand CSS Flexbox behav
Gzip Compression Ratio Calculator
Gzip Compression Ratio Calculator Estimate gzip compression ratios for text content. Perfect for dev
Hash Collision Probability Calculator
Hash Collision Probability Calculator Calculate the probability of hash collisions using the birthda
Hello World in One Hundred Languages Character Count
Hello World in One Hundred Languages Character Count Count characters and bytes in "Hello, World!" p
Hexadecimal to Decimal Converter
Hexadecimal to Decimal Converter Convert hexadecimal numbers to decimal format instantly. This tool
Hosting Cost Calculator for Cloud Services
Hosting Cost Calculator for Cloud Services Estimate monthly cloud hosting costs based on resource us
IP Subnet Calculator
IP Subnet Calculator Calculate network addresses, broadcast addresses, subnet masks, and more for IP
Image Optimization Calculator WebP vs JPEG vs PNG Savings
Image Optimization Calculator: WebP vs JPEG vs PNG Savings Calculate file size savings when converti
Image Resolution Calculator for Responsive Images
Image Resolution Calculator for Responsive Images Calculate optimal image sizes for different screen
JavaScript Bundle Size Impact Calculator
JavaScript Bundle Size Impact Calculator Estimate the real-world performance impact of your JavaScri
Lazy Loading Savings Calculator
Lazy Loading Savings Calculator Calculate bandwidth savings and performance improvements from implem
Leap Year Calculator
Leap Year Calculator Check if a year is a leap year and understand the rules. This tool runs complet
Mean Time to Recovery MTTR Calculator
Mean Time to Recovery (MTTR) Calculator Calculate the average time your systems take to recover from
Memory Usage Calculator for Data Structures
Memory Usage Calculator for Data Structures Estimate memory consumption of common data structures in
Meta Tag Generator Calculator for Optimal Length
Meta Tag Generator Calculator for Optimal Length Generate and validate meta tags with optimal charac
Octal to Decimal Converter
Octal to Decimal Converter Convert octal numbers (base 8) to decimal numbers (base 10) instantly. Th
Programmer Humor Calculator
Programmer Humor Calculator Generate developer jokes, puns, and tech memes based on programming conc
RGB to HEX Color Converter
RGB to HEX Color Converter Convert RGB color values to HEX codes instantly. Perfect for developers,
Recursion Depth Calculator
Recursion Depth Calculator Calculate maximum recursion depth limits and estimate stack usage for Jav
Responsive Breakpoint Calculator
Responsive Breakpoint Calculator Convert between pixels, ems, and rems for responsive breakpoints. C
SLA Uptime Calculator
SLA Uptime Calculator Calculate allowed downtime based on Service Level Agreement (SLA) percentages.
SSL Certificate Size Calculator for Handshake Overhead
SSL Certificate Size Calculator for Handshake Overhead Calculate the network overhead of SSL/TLS han
Server Capacity Planner
Server Capacity Planner Estimate server requirements based on traffic patterns, request characterist
Server Uptime Calculator
Server Uptime Calculator Calculate uptime percentages, downtime durations, and availability metrics.
Story Point to Hours Converter Agile Calculator
Story Point to Hours Converter Convert Agile story points to development hours for sprint planning a
String Length Calculator
String Length Calculator Calculate character count, byte length, and word statistics for any text st
TCP Throughput Calculator
TCP Throughput Calculator Estimate maximum TCP throughput based on bandwidth-delay product calculati
TTFB Time to First Byte Target Calculator
TTFB Target Calculator Calculate optimal Time to First Byte (TTFB) targets for your web performance
Text to ASCII Code Converter
# Text to ASCII Code Converter ```html Text to ASCII Code Converter Convert text characters to their
URL Encoder and Decoder
URL Encoder and Decoder A developer tool for encoding and decoding URL components. Supports standard
UTF 8 Encoder and Decoder
UTF-8 Encoder and Decoder Convert between text and UTF-8 byte sequences in various formats. This too
Viewport Size Calculator
Viewport Size Calculator Calculate and visualize viewport dimensions for responsive design. This too
Web Hosting Bandwidth Calculator
Web Hosting Bandwidth Calculator Calculate bandwidth requirements for your website based on traffic
WebSocket Overhead Calculator
WebSocket Overhead Calculator Calculate the overhead of WebSocket frames and estimate bandwidth usag
Website Bandwidth Calculator
Website Bandwidth Calculator Calculate your website's bandwidth requirements based on traffic, page
Website Loading Time Calculator Page Weight Calculator
Website Loading Time Calculator Estimate your website's loading time based on page weight and networ
Working Days Calculator Date Add Subtract Excluding Weekends
Working Days Calculator Add or subtract business days excluding weekends and custom holidays For pro