Converter Web Tools is a free collection of 1,000+ online tools that run right in your browser. What started as a set of developer utilities has grown into a broad toolbox for everyone: PDF tools, image tools, calculators, unit and file converters, color and CSS generators, text utilities, date and time tools, and developer essentials like hashing, encoding, encryption and formatting. Our goal is simple — give developers, students and everyday users fast, reliable tools that just work, with no sign-up and no clutter.
What makes us different
- Privacy first. Almost every tool runs entirely in your browser. Your files and text are processed locally and are never uploaded to a server.
- Free for everyone. Every tool is free to use, with no account, no limits and no watermarks.
- Fast and focused. Each tool does one job well, with a clean, distraction-light interface that works on any device.
- Wide coverage. From compressing and converting PDFs and images, to calculators, converters, color and CSS generators and text tools, to MD5, SHA-256, Base64, AES and JSON formatting — 1,000+ tools and growing.
Who it is for
Developers, designers, students, content creators and anyone who needs to quickly convert, calculate, compress, format or generate something — without installing software or handing their files to a server.
Meet the developer
Md. Mizanur Rahman — Web Developer & Founder
Dhaka, Bangladesh
Converter Web Tools is designed, built and maintained by Md. Mizanur Rahman, a Computer Science & Engineering student and web developer based in Dhaka, Bangladesh. He builds fast, privacy-first web tools that run entirely in the browser — PDF and image utilities, converters, calculators, generators and developer helpers — with a focus on clean design, performance and practical everyday use.
Skills & expertise
Education
- United International University — B.Sc. in Computer Science & Engineering (2022–2026)
- Institute of Communication Technology (ICT) — Diploma in Computer Engineering (2016–2020)
Connect
GitHub · LinkedIn · X (Twitter) · YouTube · Email
The team
Converter Web Tools is an independent project — designed, developed and maintained by Md. Mizanur Rahman. Keeping it a lean, one-person operation is deliberate: it means decisions are fast, the tools stay genuinely free and privacy-first, and there is no bloat or tracking-heavy clutter. Every tool you see was hand-built and is actively maintained and improved.
Feedback and tool ideas are always welcome — in that sense, our users are part of the team. Suggest a tool, report a bug or just say hello via the Contact page or on GitHub.
Have an idea for a tool or found a problem? Visit our Contact page — we would love to hear from you.