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Free Tools

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16 free tools

Free tools for marketing,
business & developers.

Everything here is free, unlimited, and needs no sign-up. Built by Go4Lead.tech as a small taste of the software we make, every day.

Marketing & Growth

UTM Link BuilderTag URLs for Google Analytics campaign tracking. Ad Copy Character CounterCheck Google, Meta & LinkedIn ad limits live. WhatsApp Link GeneratorCreate a click-to-chat wa.me link + QR code. Cold Email Subject CheckerScore your subject line before you hit send.

Business & Finance

Invoice GeneratorBuild and print a clean invoice with tax. GST CalculatorAdd or remove GST with CGST/SGST/IGST split.

Developer Tools

JSON Formatter & ValidatorPretty-print, minify, and validate JSON. Regex TesterLive-highlighted matches for JS regular expressions. Favicon GeneratorOne image → every favicon size + HTML snippet.

Design & Sharing

QR Code GeneratorAny URL or text into a downloadable QR code. URL ShortenerBranded go4lead.tech/s/ links with click tracking. Barcode GeneratorCODE128, EAN-13, UPC-A & CODE39 barcodes. Image Compressor & ResizerShrink JPG/PNG/WebP files for the web.

Everyday Utilities

Password GeneratorStrong, random passwords made in your browser. Word & Character CounterLive word, character & reading-time stats. Case ConverterUPPER, lower, Title, camelCase & more.

Need a tool built just for you?

These free tools are a small taste of what we do. Go4Lead.tech builds custom software, web and mobile apps, and internal tools for businesses.

See our services → Start a project