Free file tools & online utilities — convert, generate, and format in your browser
Focera’s File Tools category is a hub of free online utilities for everyday digital tasks: generate QR codes and passwords, format JSON, edit Markdown, minify HTML/CSS/JS, convert units, count words, build UTM links, create invoices, convert documents and ebooks, and handle common audio/video file jobs.
Use this category when you need a quick generator, formatter, or converter without installing apps — most ready tools are built to run privately in your browser with no sign-up.
What file tools you’ll find here
- Generators & helpers — QR Generator, Password Generator, Lorem Ipsum, Invoice Generator, UTM Builder, Profit Calculator, Word Counter, and Text Case Converter.
- Developer & writing — JSON Formatter, Markdown Editor, and HTML/CSS/JS Minifier for clean code and content workflows.
- Converters & media files — Unit Converter, Word/PowerPoint/URL ↔ PDF, PDF to Excel/CSV/Text/EPUB/MOBI, ebook to PDF converters, plus Video to GIF, Extract Audio, and MP4 to MP3 when your file is media.
Where you can use these file tools
- Everyday productivity — Make a QR for a Wi‑Fi card, generate a strong password, count words for an essay, convert units, or draft a simple invoice.
- Dev & marketing — Pretty-print JSON, minify front-end assets, write Markdown notes, and build tracked campaign URLs with UTM parameters.
- Document & media files — Convert office docs and ebooks to PDF, extract text or audio from media files, and prepare files for email or upload limits.
Choose a file tool below to generate, format, or convert — free on Focera, no account needed, and ready for desktop or mobile browsers.