Are the tools free to use?

Yes, all tools on Mr Jungle Book are completely free and require no sign-up.

Is my data stored anywhere?

No — all processing happens in your browser; file uploads are deleted after processing.

What PDF tools do you offer?

Merge, split, compress, sign, protect, repair, and convert between PDF, Word, JPG, Excel & PPT.

Can I generate QR codes with a logo?

Yes, you can upload your logo and create high-quality QR codes for URLs, Wi-Fi, and vCards.

Do you offer calculators and marketing tools?

Yes — we provide financial, health, and math calculators plus SEO tools like UTM Builder and Meta Tag Generator.

Mr Jungle Book — Free Online Tools: PDF, QR, Calculators & More

Customised QR Generator

Free online QR code generator with logo. Make QR codes for URL, WhatsApp, Wi-Fi, vCard, Email & SMS — download PNG, no sign-up.

Generate QR Codes

Keywords: free QR code generator, QR code maker online, create QR for website, WhatsApp QR, Wi-Fi QR, vCard QR, download QR PNG.

Browse Calculators by Category

Jump straight to a tool or view the full list by category.

💰 Financial Tools

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💪 Fitness & Health

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🧮 Math Tools

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🧰 Other Tools

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Browse PDF Tools by Category

Merge, split, compress, convert, and edit PDFs — fast and free.

📂 Merge & Split

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🔄 Convert

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🔒 Optimize & Secure

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📝 Edit & Organize

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Marketing Tools

Free, fast, and simple utilities for marketers — UTM, SEO, social, and more.

UTM Builder

Generate clean campaign URLs with live preview.

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Meta Tag Generator

Create SEO-friendly titles, descriptions & meta tags.

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OG & Twitter Preview

See how your page looks when shared on social media.

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robots.txt Builder

Generate allow/disallow rules with sitemap support.

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XML Sitemap Generator

Create a sitemap.xml file for better crawling.

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Keyword Density

Analyze on-page word & phrase frequency.

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URL Encoder / Decoder

Safely encode & decode URLs for campaigns.

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Email Subject Tester

Check subject line length, spam terms & preview.

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