Tools
Every tool listed here actually works — mostly in your browser, with no login.
45 tools
JSON Formatter
Format, validate, minify and beautify JSON instantly in your browser.
Use Tool →JSON Validator
Check whether a JSON string is valid and see clear error messages.
Use Tool →Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text.
Use Tool →URL Encoder / Decoder
Encode or decode URL query strings and path segments safely.
Use Tool →UUID Generator
Generate UUID v4 identifiers for apps, databases, and APIs.
Use Tool →JWT Decoder
Decode JWT header and payload locally. Does not verify signatures.
Use Tool →Regex Tester
Test regular expressions against sample text with live match highlights.
Use Tool →Hash Generator
Generate SHA-256, SHA-384, or SHA-512 hashes from text in the browser.
Use Tool →Timestamp Converter
Convert Unix timestamps to human dates and back.
Use Tool →Color Converter
Convert between HEX, RGB, and HSL color formats.
Use Tool →Markdown Preview
Write Markdown and preview rendered HTML side by side.
Use Tool →HTML Formatter
Beautify HTML indentation for readability.
Use Tool →CSS Formatter
Beautify or minify CSS for development and delivery.
Use Tool →JavaScript Formatter
Indent JavaScript for readability (best-effort beautify).
Use Tool →Meta Tag Generator
Generate title, description, and social meta tags for your pages.
Use Tool →Robots.txt Generator
Build a robots.txt file with allow/disallow rules and sitemap URL.
Use Tool →Sitemap Generator
Generate a basic XML sitemap from a list of URLs.
Use Tool →Slug Generator
Convert titles into clean URL slugs.
Use Tool →Open Graph Generator
Generate Open Graph tags for social link previews.
Use Tool →Canonical URL Generator
Generate a canonical link tag for duplicate URL control.
Use Tool →Keyword Density Checker
Analyze word frequency in a passage of text.
Use Tool →Word Counter
Count words, characters, sentences, and reading time.
Use Tool →Case Converter
Convert text to upper, lower, title, or sentence case.
Use Tool →Text Cleaner
Remove extra spaces, blank lines, and tidy pasted text.
Use Tool →Lorem Ipsum Generator
Generate placeholder paragraphs for layouts and mockups.
Use Tool →Duplicate Line Remover
Remove duplicate lines from a list while keeping order.
Use Tool →Percentage Calculator
Calculate percentages, increases, decreases, and “X is what % of Y”.
Use Tool →GST Calculator
Calculate GST-inclusive and exclusive amounts for India rates.
Use Tool →EMI Calculator
Estimate loan EMI from principal, interest rate, and tenure.
Use Tool →Discount Calculator
Find sale price and savings from original price and discount %.
Use Tool →Age Calculator
Calculate exact age in years, months, and days from a birth date.
Use Tool →Loan Calculator
Estimate total repayment and interest for a fixed EMI loan.
Use Tool →Time Calculator
Add or subtract hours and minutes from a starting time.
Use Tool →Unit Converter
Convert length, weight, and temperature units.
Use Tool →Invoice Calculator
Add line items, tax, and discounts to estimate an invoice total.
Use Tool →Profit Margin Calculator
Calculate profit, margin %, and markup from cost and selling price.
Use Tool →QR Code Generator
Create a QR code for a URL or text and download it as PNG.
Use Tool →Image Compressor
Reduce image size without losing visible quality.
Use Tool →Image Resizer
Resize images to exact dimensions or by percentage.
Use Tool →Image Converter
Convert images between PNG, JPEG, and WebP in the browser.
Use Tool →AI Prompt Generator
Build clearer prompts for writing, coding, and research tasks.
Use Tool →Prompt Formatter
Clean and structure a messy prompt into clear sections.
Use Tool →AI Text Helper
Prepare rewrite, shorten, or expand instructions for an AI assistant.
Use Tool →AI Content Outline Generator
Create a blog or guide outline from a topic and audience.
Use Tool →AI SEO Brief Generator
Draft an SEO content brief template for a target keyword.
Use Tool →