Whether you're a student, freelancer, developer, or office professional, these powerful browser-based tools eliminate the need for expensive desktop software. Everything runs in your browser — no installation, no account, no cost.
PDF Tools
Merge PDF
Combine multiple PDF files into one. Drag, drop, reorder, and download — no software needed.
Split PDF
Extract specific pages or split a PDF into multiple files — ideal for sharing only part of a document.
Compress PDF
Shrink PDF file sizes by up to 80% without visible quality loss. Perfect for email attachments.
Image Tools
Image Resizer
Resize images to exact pixel dimensions without uploading to any server.
Convert to WebP
Convert JPG and PNG images to WebP format for faster website loading speeds.
Developer Tools
JSON Formatter
Beautify or minify JSON data instantly. Validate syntax and format with one click.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes for any text string.
URL Encoder/Decoder
Encode or decode URL-encoded strings like %20 in seconds.
Security Tools
Password Generator
Create cryptographically secure random passwords with custom length and character sets.
UUID Generator
Generate RFC-compliant UUID v4 identifiers for databases, APIs, and development.
Text Tools
Case Converter
Convert text between UPPERCASE, lowercase, Title Case, camelCase, and more in one click.
Word Counter
Count words, characters, sentences, and paragraphs instantly as you type.
🔒 Privacy note: All tools on Tools33 process your files and data entirely in your browser. Nothing is uploaded to any server, so your files stay 100% private.