Case Study
Privacy-first browser-only word counter and text analysis suite.

TextWordCount began as a simple word counter — a utility that every writer needs and that most sites either paywalled or tracked. The privacy angle emerged from a specific pain point: most online text tools send your content to a server to process it, which means your drafts, legal documents, or private writing pass through someone else's infrastructure.
The site was expanded into a multi-tool suite (word count, character count, reading time, keyword density, sentence analysis) while maintaining the core constraint: nothing you paste into the tool ever leaves your browser.
Applied via the same methodology used across all 16 portfolio sites. Read full methodology →
The privacy-first architecture was the product decision, not an afterthought. By running everything in browser JavaScript, the site could honestly claim "we cannot see your text" — a claim that SEO farms using server-side processing cannot make. This became the primary differentiator in a crowded utility niche.
Monetization was deliberately separated from the free tools: the Gumroad storefront sells language-specific writing guides and productivity packs in 32 languages. This keeps the core tools free and unpaywalled while creating a revenue stream for buyers who want extended resources.
All text processing uses the Web APIs available in every modern browser (string methods, regex, Intl.Segmenter for accurate word boundaries in non-Latin scripts). No backend, no API calls, no logging of inputs.
The 32-language Gumroad storefront was built programmatically — each language variant is a separate product page with localized metadata. This created a long-tail SEO footprint without requiring 32 separate written pages.
The multi-tool suite was built incrementally: word count first, then character count, then reading time (using average words-per-minute rates from reading research), then keyword density. Each tool shares the same processing pipeline.
Privacy was verified by publishing the architecture documentation alongside the tool — a page explaining exactly how the processing works, pointing to the open-source implementation.


The privacy claim is only as strong as the documentation behind it. Users are increasingly skeptical of "we don't store your data" claims — the architecture explanation page that shows how client-side processing works was more valuable for trust than any marketing copy.
The 32-language Gumroad approach worked for SEO but required careful metadata management. Programmatic product pages need unique, accurate descriptions per language — generic machine-translated copy does not convert.
Book a $499 audit at ModernWebSEO and apply the same methodology used across all 16 portfolio sites.