All Tools

122 tools available — all run in your browser, nothing sent to a server.

Text Tools

Word & Character Counter

Count words, characters, sentences, and paragraphs in your text instantly.

Case Converter

Convert text between UPPERCASE, lowercase, Title Case, snake_case, kebab-case, camelCase, and more.

Sort Lines

Sort lines of text alphabetically, numerically, or in reverse.

Remove Duplicate Lines

Remove duplicate lines from a block of text, keeping only unique entries.

URL Encoder / Decoder

Encode or decode URL components and query strings instantly in your browser.

Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 strings back to plain text.

Markdown Previewer

Write Markdown and see a live rendered preview side by side.

Line Break Remover

Remove or replace line breaks from any block of text instantly.

Remove Empty Lines

Strip blank lines from your text and keep only the lines that have content.

Whitespace Cleaner

Trim, collapse, and strip excess whitespace from any text.

Find & Replace

Find and replace text with support for plain text and regex patterns.

Text Repeater

Repeat any text or string a specified number of times with a custom separator.

Reverse Text

Reverse any string character by character — or flip the order of words.

Reverse Lines

Reverse the order of lines in a block of text.

Slug Generator

Convert any text into a clean URL slug with hyphens or underscores.

HTML Escape / Unescape

Escape HTML special characters (< > & " ') to entities for safe rendering, or unescape entities back to plain text.

ROT13 Encoder / Decoder

Encode or decode text using the ROT13 cipher. Applying it twice restores the original.

Lorem Ipsum Generator

Generate placeholder lorem ipsum text by paragraphs, sentences, or words. Shuffled output every time.

Data Tools

CSV Viewer

Paste CSV data and view it as a sortable, formatted table instantly in your browser.

CSV Cleaner

Remove empty rows, empty columns, and trim whitespace from CSV data.

JSON Validator

Validate JSON syntax with line-level error reporting. For valid JSON, shows root type, nesting depth, total key count, and array length.

JSON Minifier

Minify JSON by removing all whitespace. Shows bytes saved and compression percentage.

XML Formatter

Prettify or minify XML with configurable indentation and syntax validation.

XML ↔ JSON Converter

Convert between XML and JSON in both directions. Handles attributes, nested elements, and arrays.

YAML ↔ JSON Converter

Convert between YAML and JSON in both directions. Great for config files and CI pipelines.

TSV to CSV

Convert tab-separated values (TSV) to comma-separated values (CSV). Handles quoted fields.

CSV ↔ JSON Converter

Convert between CSV and JSON in both directions. Handles quoted fields, nested commas, and pretty-printing.

JSON Formatter

Prettify or minify JSON with syntax validation.

Image Tools

Image Compressor

Compress JPEG, WebP, and PNG images in your browser. Shows exact file size savings.

PNG to JPG Converter

Convert PNG images to JPG format instantly in your browser. No upload required.

JPG to PNG Converter

Convert JPG images to PNG format with transparency support. Runs entirely in your browser.

WebP Converter

Convert between WebP, JPG, PNG, GIF, and HEIC image formats. Adjust quality and compare file sizes — all in your browser, nothing uploaded.

HEIC to JPG Converter

Convert HEIC/HEIF photos from iPhone or iPad to JPG or PNG entirely in your browser — fully private, nothing is uploaded.

Image to PDF

Convert one or more images to a PDF document. Supports A4, Letter, or fit-to-image sizing.

PDF to Images

Extract every page of a PDF as a high-resolution PNG image, all in your browser.

Rotate & Flip Image

Rotate images 90°, 180°, or 270° and flip horizontally or vertically. Instant preview.

Add Watermark to Image

Add a custom text watermark to any image. Control position, size, color, and opacity.

EXIF Viewer & Remover

View all EXIF metadata in your photos and download a clean copy with metadata stripped.

Image Color Picker

Upload any image and click to sample color codes. Includes a pixel magnifier and pick history.

Image Cropper

Crop images to any size or aspect ratio in your browser. Supports free-form and preset aspect ratios.

Image Converter

Convert images between formats including HEIC, JPEG, PNG, and WebP — entirely in your browser.

Image Resizer

Resize images client-side without uploading to a server. Supports JPEG, PNG, and WebP output.

SVG Optimizer

Reduce SVG file size by removing comments, metadata, empty attributes, and collapsing whitespace — entirely in your browser.

SVG to PNG Converter

Convert SVG files or code to PNG at any resolution. Paste SVG or drop a file, set output dimensions, and download instantly.

Design Tools

Color Lightener & Darkener

Generate tints and shades of any color. Click any swatch to copy its HEX, RGB, or HSL code.

Color Code Converter

Convert colors between HEX, RGB, RGBA, HSL, HSLA, and CSS named colors instantly.

Tailwind Shade Generator

Generate a full 11-stop Tailwind CSS color scale from any base color. Export as a JS object or CSS variables.

Border Radius Generator

Visually build CSS border-radius values. Control each corner independently, toggle px or %, and copy the ready-to-use shorthand.

CSS Button Generator

Design a custom button with color, padding, font, border, and shadow controls. Get the CSS and HTML output instantly.

CSS Gradient Generator

Build linear, radial, and conic CSS gradients visually. Add color stops, adjust angles, and copy the ready-to-use CSS.

CSS Box Shadow Generator

Generate CSS box shadows with live preview. Stack multiple shadow layers and copy the final box-shadow value.

Color Palette Generator

Generate beautiful color palettes from a base color. Export as CSS variables, Tailwind config, or plain HEX list.

Contrast Checker (WCAG)

Check the contrast ratio between two colors against WCAG AA and AAA accessibility standards.

Web & Dev Tools

JWT Decoder

Paste a JSON Web Token to decode and inspect its header, payload, and expiry — entirely in your browser.

Regex Tester

Test regular expressions against a string with live match highlighting, flag toggles, and a match details table.

Meta Tag Generator

Generate SEO and social meta tags — standard, Open Graph, and Twitter/X Card — and copy the ready-to-paste HTML.

Open Graph Preview

Preview how your page will look when shared on Facebook, LinkedIn, and Twitter/X. No URL fetch needed.

Robots.txt Generator

Build a robots.txt file visually. Add user-agent rules, Allow/Disallow paths, crawl-delay, and sitemap URL.

Sitemap.xml Generator

Create a valid XML sitemap by adding URLs with lastmod, changefreq, and priority. Download or copy the output.

HTML Minifier

Minify HTML by removing comments and collapsing whitespace. Shows exact bytes saved and compression percentage.

CSS Minifier

Minify CSS by stripping comments and collapsing whitespace. Shows bytes saved and compression percentage.

JS Minifier

Minify JavaScript by removing comments and collapsing whitespace. Shows bytes saved and compression ratio.

User Agent Parser

Parse any User-Agent string to extract browser, engine, OS, and device type. Pre-fills with your own browser's UA.

UTM Builder

Build UTM-tagged URLs for campaign tracking. Set source, medium, campaign name, term, and content — with preset chips for common values.

.gitignore Generator

Build a .gitignore file by selecting languages, frameworks, editors, and operating systems. Combines templates and removes duplicates.

CSS Specificity Calculator

Parse CSS selectors and instantly see their (a, b, c) specificity scores with a visual breakdown and side-by-side comparison.

Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text or files.

Password Generator

Generate strong, random passwords with custom length, character sets, and bulk generation.

Cron Expression Builder

Build and validate cron expressions visually with a human-readable description and next run times.

Diff Checker

Compare two blocks of text side-by-side and highlight added, removed, and unchanged lines.

CSS Unit Converter

Convert between CSS units — px, rem, em, vw, vh, pt, cm, and more — with configurable context.

Favicon Generator

Upload an image and generate favicon PNG files in all standard sizes with the HTML snippet to match.

Utility & System Tools

What's My IP

Instantly see your public IP address, location, ISP, and connection info.

Screen Size & Viewport Checker

See your current screen resolution, viewport size, device pixel ratio, and orientation.

Time Zone Converter

Convert a date and time between any two time zones. See the offset difference and local times side by side.

Unix Timestamp Converter

Convert a Unix timestamp to a human-readable date, or convert a date back to a Unix timestamp.

Date Difference Calculator

Calculate the exact number of days, weeks, months, and years between any two dates.

Business Days Calculator

Count the number of working days between two dates, excluding weekends and optional public holidays.

Random Number Generator

Generate one or more random numbers within a custom range. Supports integers and decimals.

UUID Generator

Generate one or more random UUID v4 strings instantly. Copy individually or as a list.

QR Code Generator

Generate a QR code for any URL, text, email, or phone number. Download as PNG or SVG.

QR Code Scanner

Upload an image containing a QR code to decode and read its contents instantly in your browser.

Calculators

Percentage Calculator

Calculate percentages, percentage changes, and what percent one number is of another.

Ratio Calculator

Simplify ratios and solve proportions. Find the missing value in A:B = C:X.

Age Calculator

Calculate your exact age in years, months, and days from your date of birth.

Days Until Date Calculator

Find out how many days, weeks, and months until any future date.

Time Duration Calculator

Add or subtract time durations. Convert hours, minutes, and seconds instantly.

BMI Calculator

Calculate your Body Mass Index using metric or imperial units and see your weight category.

Calorie Needs Calculator

Estimate your daily calorie needs based on age, height, weight, gender, and activity level.

GPA Calculator

Calculate your GPA from course grades and credit hours. Supports letter grades and 4.0 scale.

Pace Calculator

Calculate running pace, speed, or finish time given any two of distance, time, or pace.

Unit Converter

Convert between units of length, weight, and temperature instantly.

Finance Calculators

Loan Payment Calculator

Calculate monthly payments, total interest, and full amortization for any loan.

Mortgage Calculator

Estimate your monthly mortgage payment including principal, interest, and an amortization schedule.

Mortgage Overpayment Calculator

See how much interest and time you save by making extra payments on your mortgage.

Compound Interest Calculator

Calculate how your investment grows over time with compound interest and regular contributions.

Savings Growth Calculator

Find out how long it takes to reach a savings goal with regular deposits and compound interest.

Credit Card Interest Calculator

Calculate how long it takes to pay off a credit card balance and how much interest you'll pay.

Inflation Calculator

Calculate the purchasing power of money over time using historical or custom inflation rates.

Hourly ↔ Salary Converter

Convert between hourly rate and annual salary, and see weekly, monthly, and daily equivalents.

Tip Calculator

Calculate the tip and total bill amount, and split the cost among any number of people.

Sales Tax Calculator

Add or remove sales tax from a price, or calculate the tax amount for any rate.

Business & Creator Calculators

YouTube Revenue Calculator

Estimate your YouTube ad revenue based on views, CPM, and ad impression rate.

AdSense Revenue Estimator

Estimate monthly AdSense earnings from your page views, click-through rate, and cost per click.

Etsy Fee Calculator

Calculate Etsy listing, transaction, and payment processing fees to find your real net earnings.

eBay Fee Calculator

Estimate eBay final value fees by category so you know exactly what you'll pocket from each sale.

Shopify Profit Calculator

Calculate net profit per sale after COGS, shipping, and Shopify payment processing fees.

Stripe Fee Calculator

Calculate Stripe processing fees and the exact amount you need to charge to receive a target amount.

Break-Even Calculator

Find how many units you need to sell to cover your fixed and variable costs.

Profit Margin Calculator

Calculate gross profit margin from revenue and cost, or find the selling price for a target margin.

Markup vs Margin Calculator

Convert between markup percentage and profit margin, and see how they affect your selling price.

ROI Calculator

Calculate return on investment, total gain or loss, and annualized ROI (CAGR) for stocks, real estate, crypto, or any investment.