All Categories9 categories · 105 tools

Compress, merge, split, convert, and edit PDF files online for free.

Compress, resize, convert, and edit images without uploading to a server.

Count words, convert case, sort text, generate content, and more.

Developer Tools

Format JSON, encode Base64, generate UUIDs, test regex, and more.

Web Design Tools

Generate CSS gradients, box shadows, color palettes, and more.

BMI, age, percentage, EMI, unit converters, and more free calculators.

Generate passwords, hashes, QR codes, and check password strength.

Random numbers, dice roller, coin flip, barcode generator, and more.

Social Media Tools

Character counters, image resizers, hashtag tools, and more for social media.

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contact@krynntools.online

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Request a Tool

We're constantly expanding. If you need a specific calculator or generator built, send us a feature request!