All Online Tools

Percentage Calculator

Calculate percentages, percentage change, and proportions instantly.

Age Calculator

Calculate exact age in years, months, days, and countdown to next birthday.

Discount Calculator

Calculate final sale prices and total money saved on discounts.

Percentage Change Calculator

Calculate percentage increase or decrease between two numbers.

Average Calculator

Calculate mean, median, mode, range, and sum of numbers.

Tip Calculator

Calculate tips, bill totals, and split checks per person easily.

Fraction Calculator

Add, subtract, multiply, divide, and simplify fractions step-by-step.

Converters🔒 Local

Length Converter

Convert between meters, feet, inches, miles, kilometers, and yards.

Converters🔒 Local

Temperature Converter

Convert between Celsius, Fahrenheit, and Kelvin with absolute zero validation.

Converters🔒 Local

Weight Converter

Convert between kilograms, pounds, grams, ounces, stones, and tons.

Word Counter

Count words, characters, sentences, paragraphs, and reading time.

Case Converter

Convert text to UPPERCASE, lowercase, Title Case, camelCase, and more.

Character Counter

Count characters, spaces, words, lines, paragraphs, and UTF-8 bytes in real time.

Remove Duplicate Lines

Remove duplicate lines from text lists with sorting, trimming, and case controls.

Text Diff Checker

Compare two texts and highlight additions, deletions, and changes in real time.

JSON Formatter & Validator

Prettify, validate, and minify JSON data with syntax checks.

Base64 Encoder & Decoder

Encode to Base64 or decode Base64 to text with UTF-8 support.

UUID / GUID Generator

Generate random UUID v4 / GUID identifiers in bulk.

URL Encoder / Decoder

Encode and decode percent-encoded URLs and URI components.

Unix Timestamp Converter

Convert between Unix timestamps and human-readable dates (UTC & Local).

Color Converter

Convert colors between HEX, RGB, HSL, and HSV with live preview.

HTML Formatter & Minifier

Beautify, indent, and minify HTML markup locally in your browser.

Regex Tester

Test, debug, and preview regular expressions and replacements in real-time.

QR Code Generator

Generate customizable QR codes locally for text and URLs with instant PNG/SVG download.

PDF Metadata Viewer

View and edit PDF title, author, subject, and metadata tags locally.

PDF to Text

Extract clean selectable text from PDF documents page by page.

PDF Compare

Compare extractable text between two PDF documents to spot differences.

PDF Page Size Checker

Check page dimensions, orientation, and standard sizes (A4, Letter) of any PDF.

Fill PDF Forms

Fill interactive PDF form fields in your browser with optional flattening.

Merge PDF

Combine multiple PDF files into a single document 100% locally.

Split PDF

Split and extract PDF pages by range or individually 100% locally.

PDF to JPG

Convert PDF pages into high-resolution JPG or PNG images locally.

JPG to PDF

Convert JPG, PNG, and WebP images to a clean, unified PDF with customizable layout.

Rotate PDF

Rotate all or specific PDF pages permanently 100% locally in your browser.

Extract PDF Pages

Extract chosen pages or ranges from a PDF into one new document locally.

Delete PDF Pages

Remove unwanted pages or ranges from a PDF and keep the rest locally.

Reorder PDF Pages

Rearrange PDF pages freely with drag & drop and live page previews 100% locally.

Add Page Numbers to PDF

Insert customized page numbers to your PDF document 100% locally.

Watermark PDF

Add custom text or logo watermarks to your PDF documents locally.

Compress PDF

Compress PDF file size with lossless optimization or maximum compression modes.

Sign PDF

Place multiple visual electronic signatures on any PDF page with automatic background removal.