Fast, Private, In-Browser
Everyday & Developer Tools

🔄

Rotate PDF Pages

Rotate all pages or individual upside-down pages clockwise or counter-clockwise (90°, 180°).

NEWInstant

✍️

Sign PDF Document

Draw handwritten signature or type cursive name, drag to position on contract, and download.

POPULAR100% Private

🔢

Add Page Numbers to PDF

Automatically insert "Page 1 of N" or custom page numbering with position and font options.

NEW

🎂

Age Calculator

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

HOT100% Local

📐

Percentage Calculator

Calculate what is X% of Y, percentage change, increase/decrease, and shopping discounts with sales tax.

HOTInstant

🧾

Tip & Bill Splitter

Calculate restaurant tips, split bills equally among friends, and round up per-person totals.

HOT

💼

Salary & Wage Calculator

Convert hourly wages to annual, monthly, bi-weekly, and daily income with 1.5x overtime options.

HOT

🆔

UUID / GUID Generator

Bulk generate cryptographically secure RFC 4122 Version 4 UUIDs using crypto.randomUUID().

NEWCrypto Secure

🔤

Text Case Converter

Transform text to Title Case (AP/Chicago style), Sentence case, UPPERCASE, camelCase, and snake_case.

NEW

🔑

Strong Password Generator

Hardware-entropy random password generator with customizable length, symbols, and strength score.

TOP 1

🏠

Mortgage Calculator

Calculate monthly principal and interest payments, total loan cost, and amortization schedule.

Finance

🏃

BMI Health Calculator

Body Mass Index calculator with Metric and Imperial units, WHO standards, and healthy weight targets.

Health

📐

Unit Converter

All-in-one converter for length, weight, temperature, data storage, area, and speed.

📱

QR Code Generator

Generate high-resolution custom QR codes for websites, plain text, and Wi-Fi networks.

🌲

JSON Formatter & Validator

Prettify, minify, and validate JSON data with instant syntax error pinpointing.

⏱️

Unix Timestamp Converter

Convert epoch timestamps to readable UTC and local dates with a live system clock.

⚡

Base64 Encoder & Decoder

Encode and decode UTF-8 text and binary images into Base64 and DataURLs.

🔗

URL Encoder & Decoder

Encode and decode URI components and inspect URL query parameters in an editable table.

🔒

Hash Calculator (SHA-256)

Compute cryptographic SHA-256, SHA-512, and SHA-1 checksums with hardware acceleration.

🎫

JWT Token Decoder

Inspect JSON Web Token headers, claims, and token expiration status safely in your browser.

📊

Word & Character Counter

Real-time word, character, sentence, paragraph, and reading duration counter.

🎨

Color Converter & Palette

Convert colors between HEX, RGB, and HSL with visual palette picker and CSS code.

📄

Lorem Ipsum Generator

Generate customized Latin dummy text by paragraphs, sentences, or word counts.

📝

Text Diff Checker

Compare two text snippets or code files with side-by-side addition and deletion highlights.

🎯

Regex Tester

Test regular expressions with real-time match highlighting and preset syntax templates.

🗜️

Image Compressor

Compress JPG, PNG, and WebP images client-side with quality sliders and instant preview.

HOT

🔄

Image Format Converter

Convert images between JPG, PNG, WebP, and BMP in batch with ZIP archive download.

🛡️

Document Watermark

Add semi-transparent diagonal anti-theft watermarks to sensitive ID cards and documents.

📑

Image to PDF

Combine multiple photos and scanned pages into a standard A4 PDF document.

📑

PDF Merger

Merge multiple PDF documents into a single file with drag-and-drop page ordering.

HOT

✂️

PDF Splitter

Extract page ranges or split every page into separate PDF files in seconds.

🖼️

PDF to Image

Render and extract all PDF pages into high-resolution JPG or PNG images.

📦

PDF Compressor

Optimize and compress PDF document streams right in your browser memory.

⚠️

Ad Copy Jargon Checker

Scan marketing headlines and ad copy for high-risk claims and overused buzzwords.