Calculate total work hours between start and end times with a configurable break. Essential for timesheets and payroll.
Add, subtract, and calculate duration between hours and minutes. Perfect for time tracking and scheduling.
Configurable countdown timer with hours, minutes, and seconds input. Features start, pause, and reset controls with visual progress bar.
Calculate the exact duration between two times. Handles overnight time spans and displays results in hours, minutes, and seconds.
Determines the exact unit volume or revenue required to cover fixed and variable costs, with a built-in sensitivity slider for price changes. Essential for startup pricing strategy, product launch planning, and manufacturing cost analysis where knowing your break-even point is critical before committing to production.
Computes percentage values, percentage increases and decreases, and what-percent-of-what relationships with precise decimal arithmetic. Essential for everyday math — tips, discounts, tax rates, grade scores, and statistical comparisons where quick percentage answers are needed.
Work Hours Calculator lets you calculate total work hours between start and end times with a configurable break. Essential for timesheets and payroll.. Everything runs inside your browser — nothing is uploaded to a server. It works on any device with a modern web browser.
Calculate total work hours between start and end times with a configurable break. Essential for timesheets and payroll. It's ideal for developers, designers, and anyone who needs to calculate total work hours between start and end times with a configurable break without installing software or sending data to external servers.
Direct text entry, file upload, or URL-based input — depending on the tool. All numeric values are entered through input fields with real-time updates.
Yes. After the initial page load, Work Hours Calculator runs entirely on your device with no internet connection needed. All processing is done locally.
Tools cover JavaScript, CSS, HTML, SQL, Python, JSON, XML, CSV, and more. Check individual tool descriptions for specifics.
No. All code processing — formatting, minification, conversion, hashing — runs locally in your browser.
Yes. Since processing is local, performance depends on your device. Most operations handle large files without issue.
Yes. SQL uses sql-formatter, JSON uses native JSON.parse, and other formatters follow widely adopted formatting rules.
Yes. All developer tools work fully offline after the initial page load.
Time Converter
Convert between time units including seconds, minutes, hours, days, weeks, months, and years with precise decimal results.
Diff Checker
Compares two input texts side-by-side, highlighting inserted, deleted, and changed lines with distinct background colors.
Regex Tester
Provides an interactive environment where users can write a regular expression pattern, test it against sample strings, and view real-time match.
JSON Formatter
Pretty-prints raw JSON with configurable indent width, key sorting, and bracket collapsing options while flagging syntax errors with exact.
JS Minifier
Strips comments, whitespace, and shortens local variable names in JavaScript source without altering execution semantics.
Base64 Encode/Decode
Encodes text or small files into Base64 strings and decodes them back with automatic MIME-type detection for binary safety.