Powerful tools for writing, editing, and managing text content
For temporarily storing and sharing text online
A simple, fast online notepad that supports Markdown
Rewrites sentences and paragraphs to improve clarity
Counts words, characters, sentences, and paragraphs
Compare two texts side-by-side with real-time diff highlighting
Quickly change text to UPPERCASE, lowercase, or Title Case
Cleans up text by removing extra line breaks and spaces
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Manage, convert, and secure your PDF files and documents
Combine multiple PDF files into one
Extract specific pages or split a PDF into multiple documents
Reduce the file size of PDFs and images
Extract text from PDF files with smart modes
Convert images containing text into an editable format
Add a digital signature to your documents online
Add, remove, or change password protection on PDF files
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Powerful tools for editing, converting, and enhancing images
Change the dimensions of an image without cropping
Cut out a portion of an image
Reduce image file size while maintaining quality
Convert between formats like PNG, JPG, and WEBP
Identify and extract hex codes of colors from an uploaded image
Automatically remove the background from a photo
Place a text or logo watermark on your images
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Download, edit, and convert video and audio files with ease
Save YouTube videos for offline viewing
Convert YouTube videos into MP3 audio files
Cut or trim the start and end of a video clip
Reduce the file size of a video
Extract the thumbnail image from any online video
Create an animated GIF from a section of a video
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Shorten URLs, generate QR codes, and manage web links
Create short, shareable links
Generate a QR code from any URL or text
Scan QR codes using your device's camera
See the metadata (title, description, image) for any URL
A simple way to share formatted code snippets with syntax highlighting
Check if a URL is safe and free from malware
Create tracking links for marketing campaigns
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Create engaging social media content, captions, and optimize your posts
Create engaging captions for social media posts
Find relevant and trending hashtags for your content
Design stylish and effective bios for platforms like Instagram and Twitter
Optimize your YouTube video titles for better click-through rates
Easily add eye-catching text to your video thumbnails
Create a single, customizable page to house all your important links
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Essential utilities for developers - JSON, Base64, UUID, and more
Validate, format, and view JSON data in a clean tree structure
Create, format, and validate JSON data with sample data generation
Quickly encode data to Base64 or decode it back
Generate universally unique identifiers (UUIDs)
Create MD5, SHA-1, and SHA-256 hashes from any text
Build and test regular expressions in real-time
Instantly check your public IP address
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Timers, planners, and tools to boost your productivity and focus
A straightforward timer for any task
A simple stopwatch to time activities
A focus timer using the Pomodoro Technique
A distraction-free player with ambient sounds for concentration
Create and manage simple to-do lists
A simple weekly or daily schedule builder for study sessions
A tool to mark off daily habits and visualize your streak
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Smart calculators and converters for all your calculation needs
An online calculator that can handle scientific functions and history
Calculate Body Mass Index based on height and weight
Calculate loan payments, interest, and amortization schedules
Find the duration between two dates
Get real-time exchange rates for global currencies
Convert between Celsius, Fahrenheit, and Kelvin
A comprehensive converter for length, weight, volume, and more
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Password generators, encryption tools, and essential utilities
Create strong, random, and secure passwords
Encrypt and decrypt text messages with a password
Generate fake names, addresses, and emails for testing
Check if an email address is valid and can receive mail
Get location and other details about an IP address
Convert JSON data into a CSV or Excel format
Pull all URLs or email addresses from a block of text
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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.
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.
In-depth articles on AI, programming languages, web development, and the future of technology
Large language models hallucinate. They fabricate citations, invent statistics, and state falsehoods with calm confidence. Retrieval-Augmented Generation solves this by grounding AI responses in your actual documents, turning unreliable chatbots into citable enterprise knowledge systems.
GitHub pulling Opus 4.6 and GPT-5.4 from the Student plan looked like a nerf. It wasn't. Once you look at the actual request economics behind Copilot Pro+, the update quietly opened one of the most underpriced access points to frontier agentic AI available right now and most developers haven't noticed yet.
The best engineering teams are not the ones with the most developers. They are the ones where developers move the fastest. Discover why developer experience has become the critical multiplier for engineering output.
The world does not communicate in text alone. Discover why multimodal AI systems that understand images, audio, video, and documents together are replacing single-modality models across every industry in 2026.
Software has a carbon footprint, and the industry is finally measuring it. Discover how carbon-aware computing, energy-efficient architectures, and sustainable engineering practices are becoming competitive requirements.
Deploying AI without governance is like shipping code without tests. Discover why AI governance, from audit trails to bias detection, has become the make-or-break layer for enterprise AI adoption in 2026.
Rune provides specialized tools for diverse learning communities - from students and exam aspirants to professionals and institutions.
CBSE, ICSE, and State Board curriculum support with personalized learning paths for every grade level.
Specialized preparation for JEE, NEET, UPSC, and coding interviews with targeted practice modules.
Flexible upskilling programs designed for busy professionals seeking career advancement and new competencies.
AI-powered tools and platforms for schools, colleges, and coaching centers to enhance their teaching methodologies.