How Many Working Days Between Two Dates?
Learn how to calculate working days between two dates. Working day formulas, project scheduling tips and leave approval methods.
Utility
Curated free online calculators, image and text tools plus guides in the Utility category. Tools run locally in your browser with no upload or sign-up.
Utility相关工具
Utility相关文章
Password Generator Guide: How to Create Strong Passwords
Free online password generator. Create strong, random passwords with customized length and character sets.
QR Code Generator Guide: How to Create QR Codes Online
Free online QR code generator. Enter text or URL to create QR codes instantly. Learn QR principles and use cases.
Random Number Generator Guide: Online Random Number Applications
Learn how to generate random numbers for raffles, testing and cryptography, with a free online random number generator.
Base64 Encoder Decoder: What is Base64 and How to Use It
Base64 encoding principles, common use cases, and online encode/decode tools for data handling.
Case Converter: UPPERCASE, lowercase, Capitalize, camelCase and More
English case conversion methods including uppercase, lowercase, capitalize, camelCase, and snake_case.
Online Color Picker Guide: Screen Color Picking and Palette Tips
How to use a color picker, common color schemes, and HEX/RGB/HSL color code conversion.
HTML Stripper: Remove HTML Tags, Get Clean Text
Strip HTML tags from web content to extract plain text for analysis, storage, or display.
Image Format Converter: JPG vs PNG vs WebP vs GIF Guide
Compare common image formats, their use cases, and when to convert between them.
Image Resize and Crop: Best Practices for Image Sizing
Image cropping vs resizing, aspect ratio tips, and recommended sizes for different platforms.
Image to Base64: Embed Images in HTML and CSS
Convert images to Base64 for inline embedding in HTML, CSS, and JavaScript. Use cases and limitations.
JSON Formatter: Beautify, Minify, and Validate JSON
JSON formatting, validation, common errors and how to fix them for developers working with APIs and config files.
Keyword Density Analyzer: Key Metric for SEO Optimization
Keyword density calculation, best practice range, and keyword stuffing risks for content SEO.
Reading Time Calculator: Estimate Article Reading and Speaking Time
Reading speed reference, reading time estimation for different content types, and content planning tips.
Text Cleaner: Remove Extra Spaces and Blank Lines
Clean up messy text by removing extra spaces, blank lines, tabs, and formatting issues from copied content.
Text Diff Tool: Quickly Find Differences Between Texts
Compare two text passages to find additions, deletions, and modifications. Essential for writing, coding, and document review.
URL Encoder Decoder: What is URL Encoding and Why It Matters
URL encoding principles, special character handling, and common use cases for web developers.
UUID Generator: What is UUID and How to Generate Unique Identifiers
UUID version differences, format explanation, use cases, and batch generation for developers.
Word Counter: Count Characters, Words, and Paragraphs
Word counting use cases, Chinese vs English differences, and SEO writing length recommendations.