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Merge PDFs, count words, convert units, generate QR codes, format JSON, and more. Fast, private, and completely free.

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Find the right tool for your task

Merge, split, rotate, and optimize PDF files.

Count words, preview markdown, and view spreadsheets.

Compare, convert, and transform text.

Convert units, colors, timestamps, and more.

Create QR codes, UUIDs, placeholder text, and more.

JSON formatter, regex tester, and coding utilities.

Base64, URL encoding, hashes, and JWT decoding.

Get started with our most used tools

Combine multiple PDF files into a single document.

Count words, characters, sentences, and paragraphs in your text.

Convert between different units: length, weight, temperature, data, and more.

Generate QR codes from text or URLs.

Format, validate, and minify JSON data with syntax highlighting.

Convert colors between HEX, RGB, HSL, and other formats.

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