Rune
145+ Free Online Tools for PDF Editing, Image Conversion, Text Processing, and Developer Utilities. Fast, Secure, Browser-Based Tools. No Signup Required.
Text & Writing Tools
Powerful tools for writing, editing, and managing text content
Online Clipboard
For temporarily storing and sharing text online
QuickNote
A simple, fast online notepad that supports Markdown
AI Rephraser
Rewrites sentences and paragraphs to improve clarity
Word Counter
Counts words, characters, sentences, and paragraphs
Text Compare
Compare two texts side-by-side with real-time diff highlighting
Case Convert
Quickly change text to UPPERCASE, lowercase, or Title Case
Line Break Remover
Cleans up text by removing extra line breaks and spaces
View All
Browse all tools in this category
Document & File Tools
Manage, convert, and secure your PDF files and documents
PDF Merge
Combine multiple PDF files into one
Split PDF
Extract specific pages or split a PDF into multiple documents
File Compress
Reduce the file size of PDFs and images
PDF Text Extractor
Extract text from PDF files with smart modes
Image to Text (OCR)
Convert images containing text into an editable format
eSign Document
Add a digital signature to your documents online
Protect PDF
Add, remove, or change password protection on PDF files
View All
Browse all tools in this category
Image Tools
Powerful tools for editing, converting, and enhancing images
Image Resizer
Change the dimensions of an image without cropping
Crop Image
Cut out a portion of an image
Image Compressor
Reduce image file size while maintaining quality
Image Converter
Convert between formats like PNG, JPG, and WEBP
Color Picker
Identify and extract hex codes of colors from an uploaded image
Background Remover
Automatically remove the background from a photo
Add Watermark
Place a text or logo watermark on your images
View All
Browse all tools in this category
Video & Audio Tools
Download, edit, and convert video and audio files with ease
YouTube Downloader
Save YouTube videos for offline viewing
YouTube to MP3
Convert YouTube videos into MP3 audio files
Video Trimmer
Cut or trim the start and end of a video clip
Compress Video
Reduce the file size of a video
Video Thumbnail Grabber
Extract the thumbnail image from any online video
Video to GIF
Create an animated GIF from a section of a video
View All
Browse all tools in this category
URL & Web Tools
Shorten URLs, generate QR codes, and manage web links
URL Shortener
Create short, shareable links
QR Code Generator
Generate a QR code from any URL or text
QR Code Scanner
Scan QR codes using your device's camera
Link Preview
See the metadata (title, description, image) for any URL
Code Share
A simple way to share formatted code snippets with syntax highlighting
Safe Link Checker
Check if a URL is safe and free from malware
UTM Builder
Create tracking links for marketing campaigns
View All
Browse all tools in this category
Social & Content Tools
Create engaging social media content, captions, and optimize your posts
AI Caption Generator
Create engaging captions for social media posts
Hashtag Generator
Find relevant and trending hashtags for your content
Social Bio Creator
Design stylish and effective bios for platforms like Instagram and Twitter
YouTube Title Analyzer
Optimize your YouTube video titles for better click-through rates
Thumbnail Text Designer
Easily add eye-catching text to your video thumbnails
Link-in-Bio Page
Create a single, customizable page to house all your important links
View All
Browse all tools in this category
Developer Tools
Essential utilities for developers - JSON, Base64, UUID, and more
JSON Formatter
Validate, format, and view JSON data in a clean tree structure
JSON Generator
Create, format, and validate JSON data with sample data generation
Base64 Encoder/Decoder
Quickly encode data to Base64 or decode it back
UUID Generator
Generate universally unique identifiers (UUIDs)
Hash Generator
Create MD5, SHA-1, and SHA-256 hashes from any text
Regex Tester
Build and test regular expressions in real-time
My IP Address
Instantly check your public IP address
View All
Browse all tools in this category
Productivity & Study Tools
Timers, planners, and tools to boost your productivity and focus
Countdown Timer
A straightforward timer for any task
Online Stopwatch
A simple stopwatch to time activities
Pomodoro Timer
A focus timer using the Pomodoro Technique
Focus Music
A distraction-free player with ambient sounds for concentration
Checklist Maker
Create and manage simple to-do lists
Study Planner
A simple weekly or daily schedule builder for study sessions
Habit Tracker
A tool to mark off daily habits and visualize your streak
View All
Browse all tools in this category
Calculators & Converters
Smart calculators and converters for all your calculation needs
Smart Calculator
An online calculator that can handle scientific functions and history
BMI Calculator
Calculate Body Mass Index based on height and weight
Loan Calculator
Calculate loan payments, interest, and amortization schedules
Date Difference Calculator
Find the duration between two dates
Currency Converter
Get real-time exchange rates for global currencies
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin
Unit Converter
A comprehensive converter for length, weight, volume, and more
View All
Browse all tools in this category
Security & Utility
Password generators, encryption tools, and essential utilities
Password Generator
Create strong, random, and secure passwords
Text Encryptor
Encrypt and decrypt text messages with a password
Fake Data Generator
Generate fake names, addresses, and emails for testing
Email Verifier
Check if an email address is valid and can receive mail
IP Address Info
Get location and other details about an IP address
JSON to CSV Converter
Convert JSON data into a CSV or Excel format
URL & Email Extractor
Pull all URLs or email addresses from a block of text
View All
Browse all tools in this category
ABOUT RUNE
Rune is a free, browser-based platform with 145+ online tools for PDF editing, image processing, text manipulation, video handling, developer utilities, and more. Every tool runs directly in your browser with no software to install, no accounts to create, and no files uploaded to external servers.
Students use Rune for word counting, text comparison, and quick calculations. Developers reach for JSON formatting, Base64 encoding, and regex testing. Content creators compress images, generate QR codes, and build social media captions. The common thread is speed: open a tool, do the work, and close the tab.
Privacy is built into every tool by default. Because processing happens locally in your browser, your documents, images, and text never leave your device. There is no cloud storage, no server-side processing, and no data retention. Close the page and your data is gone.
Tools for Every Workflow
- PDF tools for merging, splitting, compressing, and protecting documents
- Image tools for resizing, cropping, compressing, and format conversion
- Text tools for word counting, case conversion, AI rephrasing, and encryption
- Developer tools for JSON, Base64, UUID, regex, hashing, and DNS lookup
- Video and audio tools for downloading, trimming, and converting media files
- Calculator tools for BMI, age, loans, percentages, and unit conversions
- Security tools for password generation, text encryption, and hash verification
All tools are free to use with generous daily limits. Upgrade to Plus, Pro, or Ultimate for higher limits, larger file sizes, and priority support.
WHO WE SERVE
Rune provides specialized tools for diverse learning communities - from students and exam aspirants to professionals and institutions.
Students Class 1st to 12th
CBSE, ICSE, and State Board curriculum support with personalized learning paths for every grade level.
Competitive Exam Aspirants
Specialized preparation for JEE, NEET, UPSC, and coding interviews with targeted practice modules.
Working Professionals
Flexible upskilling programs designed for busy professionals seeking career advancement and new competencies.
Educational Institutions
AI-powered tools and platforms for schools, colleges, and coaching centers to enhance their teaching methodologies.