All Tools

78+ free browser-based tools for developers, creators, and everyday tasks. No sign-up, no data collection.

Developer Tools

Format, validate, and beautify JSON data.

Decode JSON Web Tokens (JWT) securely in your browser.

Base64 Encoder/Decoder

Encode and decode text to and from Base64.

URL Encoder/Decoder

Encode and decode URLs and query parameters instantly.

HTML Entity Encoder/Decoder

Encode special characters to HTML entities and decode them back.

Test regular expressions with real-time match highlighting.

Text Diff Checker

Compare two blocks of text and highlight the differences.

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes.

Generate random UUID v4 strings for development and testing.

Markdown Previewer

Write and preview Markdown in real-time.

URL Slug Generator

Turn any title into a clean, SEO-friendly URL slug.

ROT13 Encoder/Decoder

Apply the ROT13 substitution cipher to your text.

Website SEO Check

Extract and analyze SEO meta tags from any URL.

Cron Expression Generator

Build and validate cron expressions with next run times.

Minify CSS code to reduce file size and improve performance.

Image to Base64

Convert images to Base64 data URIs for embedding in HTML/CSS.

Subnet Calculator

Calculate subnet masks, network ranges, and host counts from CIDR.

JSON to TypeScript

Convert JSON to TypeScript interfaces with smart type inference.

Text Tools

Count words, characters, and paragraphs in your text.

Character Counter

Analyze character frequency and count substrings in text.

String Length Counter

Analyze string length in characters, bytes, and code points.

Text Case Converter

Convert text between UPPER, lower, Title, camelCase, and more.

Lorem Ipsum Generator

Generate placeholder text in paragraphs, sentences, or words.

Repeat text multiple times with a custom separator.

Sort lines alphabetically with duplicate removal options.

Whitespace Remover

Clean up extra spaces, tabs, and blank lines from text.

Readability Score

Analyze text readability with Flesch-Kincaid and more.

Word Unscrambler

Unscramble jumbled letters to find all possible words.

Palindrome Checker

Check if text reads the same forwards and backwards.

Morse Code Converter

Convert text to Morse code and back with audio playback.

Converters

Color Converter

Convert colors between HEX, RGB, and HSL formats.

Number Base Converter

Convert numbers between binary, octal, decimal, and hex.

CSS Unit Converter

Convert between px, rem, em, vh, and vw CSS units.

Binary to Text Converter

Convert between binary and ASCII text.

JSON to CSV Converter

Convert JSON arrays to CSV format instantly.

Timestamp Converter

Convert between Unix timestamps and human-readable dates.

Convert between units of length, weight, and temperature.

JSON to YAML Converter

Convert between JSON and YAML formats instantly.

Calculators

Mortgage Calculator

Calculate your monthly mortgage payments with ease.

Percentage Calculator

Calculate percentages with three common formulas.

Aspect Ratio Calculator

Calculate aspect ratios and resize dimensions proportionally.

Calculate your exact age in years, months, and days.

Calculate tip amount and split the bill among friends.

Calculate your Body Mass Index from height and weight.

Loan Calculator

Calculate monthly loan payments and total interest.

Grade Calculator

Calculate your weighted grade average across courses.

Fuel Cost Calculator

Estimate fuel cost for a trip by distance and gas price.

Discount Calculator

Calculate the sale price after a discount percentage.

Random Number Generator

Generate random numbers within a custom range.

Date Difference Calculator

Calculate the exact duration between two dates.

QR Codes & Barcodes

QR Code Generator

Generate QR codes from text or URLs instantly.

WiFi QR Code Generator

QR code that connects guests to your WiFi in one tap.

vCard QR Code Generator

QR code for business cards that saves contact info.

Email QR Code Generator

QR code that opens a pre-filled email when scanned.

Barcode Generator

Generate Code 128, EAN-13, UPC-A, and other 1D barcodes.

Social Media

Engagement Rate Calculator

Calculate engagement rate for Instagram, TikTok, X, and more.

Caption Checker

Check captions against platform limits for X, IG, TikTok, LinkedIn.

Follower Growth Rate Calculator

Track follower growth and project future milestones.

Posting Time Converter

Convert posting times across global time zones.

Social Media Image Sizes

2026 image dimensions for every major platform.

Hashtag Generator

Generate relevant hashtag sets from a topic instantly.

Social Bio Generator

Generate short social media bios for creators and brands.

YouTube Title Generator

Create click-worthy YouTube title ideas from a topic.

Social Hook Generator

Generate opening hooks that improve retention on social posts.

Post Idea Generator

Get practical social media post ideas for your niche.

Generators

Password Generator

Generate secure, random passwords instantly.

Color Palette Generator

Generate harmonious color palettes from a base color.

Box Shadow Generator

Create CSS box-shadow values with a live visual preview.

Gradient Generator

Create CSS linear and radial gradients visually.

Flexbox Generator

Build CSS flexbox layouts visually and copy the CSS.

Color Contrast Checker

Check WCAG 2.1 contrast ratios for accessible color combinations.

Image Compressor

Compress and resize images in your browser. No uploads.

Privacy Policy Generator

Generate a customizable privacy policy for your website.

Productivity

Countdown Timer

Set a countdown timer with browser notification alarm.

Precision stopwatch with lap time tracking.

Stay focused with the 25/5 Pomodoro productivity technique.

Auto-saving scratchpad that stores notes in your browser.

Emoji Picker & Search

Search, browse, and copy emojis by name or category.