Codevup Tools
Free, open-source web tools for developers. No registration required, everything runs in your browser.
shadcn Theme Generator
Customize every OKLCH CSS variable for shadcn/ui in real time. Pick from preset themes, edit light and dark mode separately, preview live changes across components, then export or import your globals.css.
DesignCSSCoding
Markdown to PDF Resume
Convert any Markdown document to beautiful PDF with live preview. Perfect for resumes, documentation, reports, and any text content. No login, no backend, instant PDF export.
DocumentsMarkdownConverter
PDF Merger
Combine multiple PDF files into one in your browser. Drag and drop to reorder them, then download the merged PDF instantly. No upload, no signup, 100% private.
DocumentsPDF
PDF Compressor
Reduce PDF file size instantly in your browser. 100% private without any backend transmission. See before and after sizes and download the compressed PDF with one click.
DocumentsPDF
QR Code Generator
Free tool to generate QR codes, create QR codes online and download as PNG. Customize size, logo, color and background.
Media
Code Diff Highlighter
Create beautiful, syntax-highlighted code diffs for your blog posts and documentation.
CodingDeveloper
Number Base Converter
Instantly convert numbers between binary, decimal, octal, and hexadecimal. Type in any field and all others update in real time. Supports arbitrarily large integers.
MathConverter
Binary Calculator
Perform arithmetic and bitwise operations on binary numbers. Supports AND, OR, XOR, NOT, shifts, addition, subtraction, multiplication, and division. Results in all bases.
MathCalculator
XML Formatter
Format, prettify, and validate XML instantly in your browser. Paste raw or minified XML to get a clean, readable output with proper indentation. Real-time error detection included.
FormatterDataCoding
JSON / YAML Converter
Convert JSON to YAML or YAML to JSON instantly in your browser. Bidirectional conversion with real-time error detection. No login, no data sent to servers.
ConverterDataCoding
JSON Formatter
Format, prettify, and validate JSON instantly in your browser. Paste raw or minified JSON to get a clean, readable output. Supports minification and custom indentation.
FormatterDataCoding