About Numvax
Fast, client-side online tools & utilities platform
What is Numvax?
Numvax is a free online utility platform providing client-side browser tools for image processing, PDF manipulation, QR code generation, file conversion, financial & health calculators, and developer utilities.
Our mission is simple: build fast, accurate, zero-friction tools that run directly inside your web browser without account signups, registration walls, or server-side file uploads.
What Does Numvax Provide?
Compress up to 50 images at once (JPG, PNG, WebP), resize dimensions, convert image formats, and export batch ZIP archives.
Merge PDF files, split page ranges, compress PDF size, edit pages, extract images, sign contracts, and convert PDF to Word/JPG.
Generate single or batch QR codes up to 100 links at once with custom center logo branding, error correction, and ZIP export.
Financial loan amortization, percentage calculators, BMI metrics, GPA scales, date duration math, and multi-unit converters.
Who is Numvax Useful For?
- Students & Educators: Calculate GPA, calculate date differences, format essays, and count words.
- Freelancers & Small Business Owners: Generate bulk QR codes, edit contract PDFs, and compress batch photos.
- Developers & Marketers: Format JSON data, encode Base64 strings, generate passwords, and analyze meta tags.
- General Web Users: Fast, free daily utility tools that work on any smartphone, tablet, or desktop computer.
Privacy-First Browser Processing
The vast majority of tools on Numvax process your data entirely inside your browser memory using WebAssembly, Canvas API, and JavaScript engines. Your photos, PDF files, passwords, and numbers are never uploaded to our servers or stored in third-party databases.
Contact & Feedback
Have a tool suggestion or bug report? Reach out directly via our Contact page or email Numvax@gmail.com.