Developer Utilities & Text Tools
Helpful utilities for daily workflows, copywriting, and documentation.
Text & Markdown Converters
CSV / XLSX to JSON Converter
Convert CSV, TSV, and Excel (XLSX, XLS) files or raw text to structured JSON with instant live preview and custom format options.
JSON to CSV Converter
Convert JSON arrays and objects to clean CSV or CSV back to structured JSON with live real-time preview, nested object flattening, and custom delimiters.
JSON to XML Converter
Convert JSON to clean XML or XML to JSON instantly. 100% private, client-side tool with customizable root tags, indentation, and live preview.
Word Counter
Count characters, words, and paragraphs.
Markdown to HTML
Convert and preview markdown instantly.
Markdown to PDF
Generate PDF documents beautifully from markdown.
HTML to PDF
Convert code to a PDF document.
Lorem Ipsum Generator
Generate placeholder text for layouts.
Secure Data & Password Generators
QR & Barcode Generator
Create custom QR codes and barcodes instantly.
Password Generator
Generate strong, secure passwords instantly.
WhatsApp Link Generator
Create direct WhatsApp chat links with pre-filled messages.
Base64 Encoder & Decoder
Convert files to Base64 or decode Base64 safely and securely.
Colour Converter
Convert between HEX, RGB, HSL, LAB, LCH, OKLAB & OKLCH formats.
Unit Converter
Convert between units of length, weight, data, temperature, speed, area, and volume in real-time.
Age Calculator
Calculate your exact age in years, months, days, hours, and seconds with birthday countdowns.
Essential Tools for Developers and Writers
Beyond our core e-commerce, PDF, and image features, ToolLab offers an expanding collection of handy utilities designed to speed up your everyday tasks. Whether you're a copywriter, student, developer, or designer, these fast and free web-based tools are built to make your workflow smoother.
Quickly measure the length of your text using our comprehensive Word and Character Counter, preview and convert documentation with our Markdown to HTML converter, or generate professional Lorem Ipsum placeholder text to fill out wireframes and mockups.
Many utility tools online are cluttered with intrusive pop-up ads, require unnecessary sign-ups, or are painfully slow. ToolLab is designed to be the opposite — clean, instant, and completely free with no registration required.
Key Features
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Copywriters & SEO Specialists: Ensure meta titles and blog posts hit exact character and word count limitations for optimal search engine performance.
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UI/UX Designers: Generate realistic Lorem Ipsum paragraphs to populate mockups and wireframes rapidly — no more "Lorem ipsum dolor sit amet" copied from random sources.
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Developers & Technical Writers: Draft documentation in Markdown and instantly view or export the cleanly converted HTML output.
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Students & Academics: Count words precisely for essays, dissertations, or assignments that have strict character or word limits.
Frequently Asked Questions
Yes, it is the safest way to do it online. Our Password Generator and Base64 tools run purely on JavaScript in your browser. Your sensitive strings are never transmitted over the internet.
Yes, the Word & Character Counter provides detailed metrics, including character counts both with and without spaces, making it perfect for strict SEO limits.
Yes, you can generate standard QR codes for URLs and basic barcodes for inventory tracking entirely for free and with no tracking links attached.
Markdown is a lightweight markup language that allows writers to format plain text easily (using symbols like asterisks for bolding), which our tools can then instantly convert into clean HTML code or a typeset PDF.
It takes your phone number and a custom message and generates the official wa.me API URL. When a customer clicks it, it opens WhatsApp directly to a chat with you, without them needing to save your number first.