Founder & Lead Developer
Imaduddin builds and maintains Tool-web — designing the tools, reviewing the code, and making sure every utility is fast, free, and private by default. He writes about developer tools, data processing, and how the platform works.
Public author pages show the primary author and any named contributor roles we currently publish. Internal second-pass review still follows our tool testing methodology and content review policy.
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Master data validation and cleaning with free online tools. Learn techniques to clean messy data, remove duplicates, and ensure data quality.
Essential text processing tools and techniques for writers, editors, and content creators. Improve your writing workflow with these free tools.
From merging to compressing, these essential PDF tools will save you hours of work. Master your PDF workflow today.
Discover hidden-gem social media marketing tools that will supercharge your content strategy and boost engagement across all platforms.
Learn which meta tags actually matter, how to audit them, and how to catch missing or misleading snippets before publishing.
A comprehensive guide to image formats — learn when to use JPG, PNG, WebP, and SVG for optimal web performance and quality.
Our JSON Formatter just got a major upgrade. Now with real-time validation, syntax highlighting, and error detection.
Shrink PDFs with accurate expectations about the current compressor: it optimizes the file structure, so results vary and quality usually stays unchanged.
From BMI to loan calculations, these free online calculators help you make informed decisions quickly.
We've completely redesigned Tool-web with a fresh look, dark mode, and improved performance across all tools.
Convert flat CSV rows and structured JSON more deliberately by matching the real converter behavior to the shape of your data.
Learn about our commitment to privacy and why we built a tool website that respects your data and anonymity.
Demystify character encoding systems — learn how computers represent text using hex, binary, and ASCII encoding.
Learn how to create, edit, and manage PDF documents online using free browser-based tools. No software installation required.
A comprehensive guide to optimizing images for the web — covering compression, resizing, format selection, and lazy loading techniques.
Learn everything about text case conversion — from UPPER CASE to lower case, Title Case, and more. Discover tools and techniques for perfect formatting.
Discover the must-have SEO tools that will help you analyze, optimize, and monitor your website's search engine performance.
Discover the best free image compression tools that help web developers reduce file sizes without sacrificing visual quality.