Guides & insights

Combine multiple PDF documents into one file in seconds using our free Merge PDF tool — no software install required.

Learn how to pull specific pages from a large PDF using page ranges like 1-3, 5, or 10-15.

Shrink large PDF files for email attachments and faster uploads using our free online compressor.

Optimize JPG and PNG files for web performance while keeping visual quality acceptable.

Set exact width and height for social posts, product photos, and profile pictures.

Understand which image format fits your use case and convert instantly with our free tool.

Extract readable text from screenshots, scans, and photos using optical character recognition.

Pull high-quality MP3 audio tracks from video files using ffmpeg-powered processing.

Reduce video file size with adjustable CRF settings for email, chat, and cloud uploads.

Cut audio files by start time and duration — great for ringtones, samples, and podcast edits.

Download videos from YouTube URLs or direct MP4/WebM links with our built-in downloader.

Catch spelling and grammar issues with LanguageTool-powered checking — free and browser-based.

Rephrase sentences and paragraphs while keeping the original meaning intact.

Measure word-level overlap between a source text and a comparison text with a similarity percentage.

Generate blog posts, product descriptions, and captions using Google Gemini with optional image context.

Format, minify, and validate JSON in the browser with syntax-aware error messages.

Reduce file size of code snippets with our online minifier for JavaScript, CSS, and HTML.

Generate random secure passwords with adjustable length and optional symbols.

Convert units, calculate loan EMI, and find exact age — three everyday utilities in one place.

A complete overview of every tool on UtilityTools — PDF, image, video, text, developer, security, and more.