Free Text and Data Tools – JSON, CSV, Diff, QR

Small tools for working with text and data. What you type stays in your browser.

• JSON Formatter and Checker - Tidy, shrink, sort and check JSON.
• CSV and JSON Converter - Turn CSV into JSON, or JSON into CSV.
• Text Compare (Diff) - See which lines changed between two texts.
• Find and Replace in Text - Change words in your text, everywhere at once.
• Text Line Tools - Remove repeated lines, sort, reverse, number or shuffle lines.
• Lorem Ipsum Generator - Make sample text for your designs.
• Password Generator - Make strong random passwords on your device.
• Base64 and URL Encode / Decode - Change text to Base64 or web address code and back.
• Markdown Preview - Write Markdown and see how it looks.
• Text to Speech - Hear your text read aloud with your device's voices.
• Word Counter - Count words, letters, sentences and reading time.
• Case Converter - Change text to upper, lower, title, sentence or code case.
• QR Code Generator - Make a QR code for a link, text or phone number.
• Hindi Typing (English letters) - Type Hindi with English letters and copy it as Hindi text.
• Hash and Checksum Tool - Make SHA-256 and other fingerprints of a file or text, to check it was not changed.
• Saved Details for Forms - Keep your name, address and phone on this device and copy them into forms.
• Typing Speed Test (English and Hindi) - Test and practise your typing speed and accuracy in English or Hindi.
• Barcode Maker (Code 128 and EAN-13) - Make a barcode from text or numbers and save it as PNG or SVG.
• QR Code Reader from a Photo - Read a QR code from a photo or screenshot on your device.
• Colour Palette and Gradient Maker - Find matching colours and make a CSS gradient.
• CSS Minifier - Make CSS smaller by removing comments and extra spaces.
• Regex Tester - Try a regular expression on your text and see every match.

Every tool here runs on your device. Your files are not uploaded.