Free Tools

Free Online Tools

Practical, free tools built by Senithu Software Solutions — no signup, no downloads, everything runs privately in your browser.

WhatsApp Business Tools

WhatsApp Link Generator

Create a wa.me click-to-chat link with a pre-filled message.

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WhatsApp QR Code Generator

Scannable QR that opens a chat — high-res PNG for print.

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WhatsApp Chat Button Generator

Floating chat widget for your website — one copy-paste snippet.

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WhatsApp Text Formatter

Bold, italic, strikethrough & fancy fonts with live preview.

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WhatsApp API Pricing Calculator

Estimate Meta's per-message fees — and see what's free.

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Language & Sri Lanka Tools

Singlish to Sinhala Converter

Type Sinhala with English letters — real-time Unicode output.

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Thanglish to Tamil Converter

Type Tamil with English letters — real-time Unicode output.

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FM Abhaya to Unicode Converter

Convert legacy Sinhala font text to modern Unicode.

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Sri Lanka NIC Decoder

Birthday, age, gender & weekday from any NIC number.

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