Documentation

Scale private file conversions with confidence

This handbook outlines the architecture decisions, publishing strategy, and QA rituals powering FreeFileConverter. Use it as your playbook to replicate the same privacy-first growth engine.

1. Implementation blueprint

Use Next.js static generation + dynamic params to pre-render every high-intent conversion while lazily matching new slugs. This blueprint keeps TTFB low even with thousands of pages.

  • Generate base conversion routes from the central format matrix.
  • Create PSEO variants by pairing top routes with intent modifiers (secure, fast, offline) and context tags (for-mac, no-upload).
  • Wire sitemap + robots to surface both base tools and high-value long-tail combinations.

2. Automation workflows

All conversions run inside the browser via FFmpeg WASM and PDF-LIB. Monitor worker utilization and prompt power users to batch tasks locally.

  • Bundle worker scripts separately so that landing pages load instantly before the heavy runtime.
  • Queue files client-side and stream conversion status updates via React state to avoid blocking the UI.
  • Persist finished blobs in memory or download immediately—no temporary server storage required.

3. Content & SEO flywheel

Every tool, glossary entry, and comparison page links to each other, feeds schema.org entities, and references the documentation for trust signals.

  • Inject SoftwareApplication, HowTo, FAQ, and Breadcrumb schema per tool.
  • Publish glossary definitions for each format with pros, cons, and usage guidance.
  • Create editorial sections on the homepage to capture head terms and link clusters.

4. Compliance & QA

Because files never leave the device, you satisfy SOC 2 / GDPR requirements. Still, document the guarantees for auditors.

  • Explain that FFmpeg WASM and PDF-LIB execute inside dedicated workers; no network requests fire after load.
  • Expose conversion logs (without file contents) so ops teams can audit performance.
  • Ship automated visual tests for the DropZone + ConverterCard components to protect UX.

Security checklist

  • • No file content leaves the browser—log network requests to prove it.
  • • Run conversions inside dedicated workers to isolate crashes.
  • • Keep FFmpeg WASM pinned to vetted releases and document hash checks.

Performance playbook

  • • Lazy-load heavy workers after the page paints to preserve LCP.
  • • Inline critical metadata (title, description, canonical) via Next metadata API.
  • • Stream schema.org payloads via Script tags to keep markup clean.

Internal linking

Build topical authority

Every tool page links into comparisons and glossary entries. Reference those hubs whenever you explain a file format to keep crawlers moving through the graph.

Visit the Directory

Compare formats

Link relevant comparisons (e.g., JPG vs PNG) from both the directory and active tool routes.

Glossary boosts

Glossary entries double as supporting content—cite them whenever you explain history or specs.

Docs references

Point advanced readers back to this page so they can audit the privacy model and performance tips.

Use case playbooks

Share the Use Case Library so operations teams can follow ready-made workflows for product, legal, media, and campus initiatives.

Frequently asked implementation questions

How do I add a new conversion format?

Extend the central FORMATS registry with MIME data, pros/cons, and category. The conversion matrix and sitemap will update automatically.

What is the best way to scale organic traffic?

Layer PSEO modifiers + context slugs on top of the most competitive routes, then back them up with glossary and comparison pages for internal authority.

How can I prove privacy to enterprise teams?

Reference this documentation plus the tool FAQ schema. Show that all work happens offline, and no network requests carry user content after initial load.