100% browser-based
Free Online Tools.No Catches.
Fast, privacy-focused tools that work entirely in your browser. No sign-ups. No uploads. No nonsense.
Text Tools
Word Counter
Count words, characters, sentences, and paragraphs
Reading Time Calculator
Calculate reading time, speaking time, and word count
Case Converter
Convert text to uppercase, lowercase, title case, and more
Lorem Ipsum Generator
Generate placeholder text for your designs
Text Diff Checker
Compare two texts and highlight differences
Text Tools
Reverse, sort, remove duplicates, and transform text
Slug Generator
Convert any text into SEO-friendly URL slugs
Character Frequency
Analyze character and word frequency in text with visual charts
Line Counter
Count lines, empty lines, code lines, and get line statistics
Emoji Picker
Browse and copy emojis by category with instant clipboard copy
Text Statistics
Comprehensive text analysis with readability scores, word frequency, and detailed metrics
Developer Tools
JSON Formatter
Format and validate JSON data
Base64 Encoder
Encode and decode Base64 strings
URL Encoder
Encode and decode URLs for safe transmission
Hash Generator
Generate MD5, SHA-256, and other hashes
UUID Generator
Generate random UUIDs/GUIDs instantly
Regex Tester
Test and debug regular expressions in real-time
Timestamp Converter
Convert Unix timestamps to dates and back
Markdown Preview
Write markdown with live preview
Unit Converter
Convert between length, weight, temperature, and more
Number Base Converter
Convert numbers between binary, octal, decimal, and hex
CSS Formatter
Beautify or minify CSS code with customizable formatting
HTML Entity Converter
Encode and decode HTML entities for safe text display
JavaScript Minifier
Minify and beautify JavaScript code to reduce file size
JWT Decoder
Decode and inspect JSON Web Tokens (JWT) securely
Cron Generator
Generate and validate cron expressions for scheduled tasks
CSV to JSON
Convert CSV spreadsheet data to JSON format
JSON to CSV
Convert JSON arrays to CSV spreadsheet format
YAML to JSON
Convert YAML configuration files to JSON format
Text Encoder
Encode and decode text in ROT13, Binary, Morse Code, and more
HTML to Markdown
Convert HTML code to clean Markdown format
IP Address Tools
Validate, analyze, and convert IPv4/IPv6 addresses
String Calculator
Perform string operations like substring, replace, pad, and reverse
Time Zone Converter
Convert times between different time zones worldwide
SQL Formatter
Format and beautify SQL queries with proper indentation
XML Formatter
Format, minify, and validate XML with proper indentation
HTML Formatter
Format and minify HTML with proper indentation
Image Tools
Image Converter
Convert images between formats (PNG, JPG, WebP, GIF, BMP)
Image Compressor
Compress images to reduce file size without losing quality
Image Resizer
Resize images to custom dimensions or preset sizes
Placeholder Image
Generate custom placeholder images for mockups and prototypes
Favicon Generator
Generate favicons in multiple sizes (16x16 to 256x256) from any image
Generators
Password Generator
Create strong, secure random passwords
QR Code Generator
Generate custom QR codes for URLs and text
BMI Calculator
Calculate Body Mass Index and health category
Percentage Calculator
Calculate percentages, increases, and decreases
Tip Calculator
Calculate tips and split bills between people
Age Calculator
Calculate exact age, birthday countdown, and zodiac signs
Countdown Timer
Create customizable countdown timers for events and deadlines
Pomodoro Timer
Boost productivity with customizable Pomodoro focus timer and breaks
Aspect Ratio Calculator
Calculate and convert aspect ratios for images and videos
Random Number Generator
Generate random numbers with customizable ranges and options
Stopwatch
High-precision stopwatch with lap timer and split times
Design Tools
Color Picker
Pick colors and convert between HEX, RGB, HSL formats
Color Converter
Convert colors between HEX, RGB, HSL, HSV, and CMYK formats
Box Shadow Generator
Create CSS box shadows with visual editor and presets
Gradient Generator
Create CSS gradients with linear, radial, and conic styles
Color Palette Generator
Generate harmonious 5-color palettes with multiple color theory modes
Why Trust ZebbyBox?
Built different. Built for you.
Your Privacy First
Everything runs in your browser. Your files never touch our servers because we don't have any.
Fast & Lightweight
No bloated software. No waiting for uploads. Tools load quickly and work instantly.
No Account Needed
No sign-ups, no email harvesting, no passwords to remember. Just use the tools.
Free Forever
No premium tiers. No feature limits. No "upgrade to unlock" tricks.
How Do We Stay Free?
We show non-intrusive ads and accept donations from people who find these tools useful. That's it. No data selling, no hidden fees, no investor pressure to monetize you.
If you find ZebbyBox helpful, consider supporting us with a coffee. It helps keep the tools free for everyone.