DevBox
Tools for Developers, Engineers, and Technical Workflows
DevBox overview
Welcome to DevBox.
Find the right utility in seconds with one app-like workspace for engineering, medical tools, finance, and everyday productivity.
DevBox categories
5
DevBox tools
28
Section
General
Everyday utilities and quick productivity tools for common workflows.
Text Analyzer
Count words and characters, estimate reading time, and clean up or convert text case.
Data Anonymizer
Anonymize PII and sensitive data while maintaining data structure integrity.
Image Converter
Convert between PNG, JPG, WebP formats and resize images with precision.
Password Generator
Generate cryptographically secure passwords with customizable complexity.
PDF Combiner
Combine up to 30 PDF documents into a single ordered file in your browser.
HEX / RGB Color Converter
Convert between HEX codes and RGB values with live color preview.
Section
Engineering
Technical converters, system utilities, and engineering workflows organized by discipline.
Computer Science
JWT Inspector
Decode, verify, and inspect JSON Web Tokens with full payload analysis.
JSON ⇄ Markdown
Convert JSON payloads into formatted Markdown tables and back again.
CSV to JSON
Transform raw comma-separated spreadsheet data into structured JSON arrays.
Base Converter
Convert between decimal, hexadecimal, binary, and octal number systems.
Electrical & Embedded
Section
Mathematics
Math utilities for quick arithmetic, percentages, quadratic equations, and statistics.
Basic Calculator
Perform quick arithmetic for everyday calculations and simple number work.
Percentage Calculator
Calculate percentages, ratios, and percentage increases or decreases.
Quadratic Equation Solver
Solve quadratic equations with real or complex roots, including linear special cases.
Statistics Calculator
Find mean, median, range, variance, and standard deviation for a set of numbers.
Section
Medical
Clinical calculators and healthcare utilities for research, nursing, and perioperative workflows.
Visual Acuity Converter
Convert Snellen fractions to LogMAR values for ophthalmic research and clinical assessment.
IOL Power & Focal Length Calculator
Estimate approximate lens power and focal length values for ophthalmology research workflows.
IV Drip Rate Calculator
Calculate infusion rates in mL/hr and gtt/min for common nursing workflows.
Body Surface Area Calculator
Estimate BSA using the Mosteller formula for dosing and perioperative planning.
Section
Finance
Business performance and investment analysis tools for quick decisions.
Student Budget Calculator
Plan monthly income, rent, groceries, tuition, and savings to see what is left or spot a shortfall.
ROI Calculator
Calculate return on investment percentage from initial investment and final value.
Loan Calculator
Calculate monthly loan payments, total interest, and savings from extra payments.
Compound Interest Calculator
Project savings growth with monthly contributions and compound interest.
Subscription Tracker
Track recurring costs, upcoming renewals, and potential cancellation savings.