--- title: "Bhavin Sheth (@allinonetools) | Hashnode" description: "Founder of AllInOneTools.net. I build simple, free, no-login web tools that solve small everyday problems. Read the latest articles by Bhavin Sheth on Hashnode." url: "https://hashnode.com/@allinonetools" --- @allinonetools # Bhavin Sheth @allinonetools · Gujarat, India · Joined January 2026 Founder of AllInOneTools.net. I build simple, free, no-login web tools that solve small everyday problems. [Website](https://allinonetools.net/) ### [How to Build a Browser-Based Image Storyboard to PDF Tool Using JavaScript](https://freecodecamp.org/news/build-image-storyboard-to-pdf-tool-javascript?utm_source=hashnode&utm_medium=feed) Before anyone films a video, shoots an ad or draws the final pages of a comic, someone usually sketches the plan as a storyboard: one picture per shot, in order, with a short note about what happens a 37 min read · [freecodecamp.org](https://freecodecamp.org/news/build-image-storyboard-to-pdf-tool-javascript?utm_source=hashnode&utm_medium=feed) [1d ago](https://hashnode.com/posts/build-image-storyboard-to-pdf-tool-javascript/6af6ea1b6758a8ccb76659d6) ### [How to Build a PDF Storyboard Generator Using JavaScript](https://freecodecamp.org/news/build-pdf-storyboard-generator-javascript?utm_source=hashnode&utm_medium=feed) PDF files are commonly used to share presentations, scripts, reports, lesson materials, comic pages, and other visual documents. But reviewing a long PDF page by page can take time, especially when so 56 min read · [freecodecamp.org](https://freecodecamp.org/news/build-pdf-storyboard-generator-javascript?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/build-pdf-storyboard-generator-javascript/6aee2d6e123f77519047915d) [Nov 6](https://hashnode.com/posts/build-pdf-storyboard-generator-javascript/6aee2d6e123f77519047915d) ### [How to Build a Browser-Based PDF to Grayscale Converter Using JavaScript](https://freecodecamp.org/news/build-pdf-to-grayscale-converter-javascript?utm_source=hashnode&utm_medium=feed) Many PDF documents contain colorful charts, presentations, marketing materials, scanned pages, or graphics that aren't always ideal for printing or archiving. In some cases, converting a document to g 14 min read · [freecodecamp.org](https://freecodecamp.org/news/build-pdf-to-grayscale-converter-javascript?utm_source=hashnode&utm_medium=feed) [Aug 14](https://hashnode.com/posts/build-pdf-to-grayscale-converter-javascript/6a7f3af6a3acdf7f3110d046) ### [How to Build a Browser-Based PDF Color Overlay Tool Using JavaScript](https://freecodecamp.org/news/build-pdf-color-overlay-tool-javascript?utm_source=hashnode&utm_medium=feed) Sometimes you don't want to change the actual content of a PDF. You simply want to add a colored layer over part or all of the document. This can be useful for creating branded reports, adding colored 15 min read · [freecodecamp.org](https://freecodecamp.org/news/build-pdf-color-overlay-tool-javascript?utm_source=hashnode&utm_medium=feed) [Aug 13](https://hashnode.com/posts/build-pdf-color-overlay-tool-javascript/6a7d0b557863edaa10c98875) ### [How to Build a Browser-Based PDF Filter Studio with JavaScript](https://freecodecamp.org/news/build-pdf-filter-studio-javascript?utm_source=hashnode&utm_medium=feed) PDF editing isn't limited to adding signatures or merging documents. Sometimes you simply want to improve the appearance of a PDF by increasing brightness, boosting contrast, adding blur, converting i 17 min read · [freecodecamp.org](https://freecodecamp.org/news/build-pdf-filter-studio-javascript?utm_source=hashnode&utm_medium=feed) [Aug 12](https://hashnode.com/posts/build-pdf-filter-studio-javascript/6a7c94929716b929062beeb1)