Free Online Tools — Instant & Easy
No sign-up, no downloads. Just fast, free tools you can use right now.
76 tools across 10 categories
Developer Tools
JSON Formatter
Format, validate, and beautify your JSON data with syntax highlighting.
Base64 Encoder/Decoder
Encode text or files to Base64, or decode Base64 back to the original.
Regex Tester
Test regular expressions with real-time matching, highlighting, and group capture.
Diff Checker
Compare two blocks of text or code side-by-side and see the differences highlighted.
JSON to TypeScript
Paste JSON and instantly generate TypeScript interfaces and types.
Cron Expression Parser
Parse and explain cron expressions in plain English. Build schedules visually.
JWT Decoder
Decode and inspect JSON Web Tokens. View header, payload, and expiration.
CSS Minifier
Minify CSS to reduce file size. Remove whitespace, comments, and redundant code.
HTML Prettifier
Format and beautify messy HTML code with proper indentation.
SQL Formatter
Format and beautify SQL queries with proper indentation and syntax highlighting.
JavaScript Minifier
Minify JavaScript code to reduce file size for faster page loads.
Design Tools
Color Picker
Pick colors and convert between HEX, RGB, and HSL formats.
Chart Designer
Create bar, line, pie, and doughnut charts. Customize colors and export as PNG.
CSS Gradient Generator
Build linear and radial CSS gradients visually. Copy the CSS code instantly.
CSS Box Shadow Generator
Design box shadows with live preview. Adjust blur, spread, offset, and color.
Color Palette Generator
Generate beautiful color palettes. Extract palettes from images or create from scratch.
Favicon Generator
Generate favicons from text, emoji, or uploaded images in all required sizes.
CSS Flexbox Generator
Build flexbox layouts visually with live preview and copy the CSS code.
CSS Grid Generator
Design CSS grid layouts visually. Set columns, rows, and gaps with live preview.
Text Tools
Word & Character Counter
Count words, characters, sentences, and paragraphs in your text instantly.
Case Converter
Convert text between UPPER, lower, Title, Sentence, camelCase, and more.
Slug Generator
Convert any text into a URL-friendly slug. Handles special characters automatically.
Remove Duplicate Lines
Paste text and instantly remove duplicate lines. Keep unique content only.
Remove Line Breaks
Remove or replace line breaks from text. Clean up text formatting instantly.
Text Find & Replace
Find and replace text with support for regex, case sensitivity, and bulk operations.
Text Sorter
Sort lines alphabetically, numerically, by length, or in reverse order.
Generators
QR Code Generator
Generate QR codes for URLs, text, Wi-Fi, and more. Download as PNG or SVG.
Password Generator
Create strong, random passwords with customizable length and character types.
Lorem Ipsum Generator
Generate placeholder text in paragraphs, sentences, or words.
UUID Generator
Generate random UUIDs (v4) or sequential UUIDs. Copy or bulk generate.
Random Number Generator
Generate random numbers within a custom range. Supports integers and decimals.
Barcode Generator
Generate Code 128, EAN-13, UPC, and other barcode formats. Download as PNG or SVG.
Calculators
Compound Interest Calculator
Calculate how your savings or investments grow over time with compound interest.
Unit Converter
Convert between units of length, weight, temperature, and more.
Percentage Calculator
Calculate percentages, increases, decreases, and differences between values.
Age Calculator
Calculate exact age in years, months, and days from any birth date.
BMI Calculator
Calculate Body Mass Index with health category and recommendations.
Tip Calculator
Calculate tips and split bills between multiple people easily.
Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa.
Discount Calculator
Calculate sale prices, savings, and discount percentages quickly.
SEO & Marketing
Meta Tag Generator
Generate SEO meta tags for your website. Preview how it looks in Google search results.
Open Graph Preview
Preview how your website looks when shared on social media. Generate OG tags.
UTM Link Builder
Build UTM-tagged URLs for campaign tracking. Copy the full link instantly.
Robots.txt Generator
Generate robots.txt files for your website. Control search engine crawling.
Twitter Card Generator
Generate Twitter Card meta tags and preview how tweets with your link will look.
Image Tools
Image Converter
Convert images between PNG, JPG, and WebP formats instantly in your browser.
Image Resizer
Resize, scale, and crop images to exact dimensions. Download the result instantly.
SVG to PNG
Convert SVG vector files to PNG raster images at any resolution.
Image Compressor
Compress images to reduce file size while maintaining quality. Supports JPG, PNG, WebP.
Image Cropper
Crop images to any aspect ratio or custom dimensions. Free-form or preset ratios.
Image to Base64
Convert images to Base64 strings for embedding directly in HTML or CSS.
Converters
CSV to JSON
Convert between CSV and JSON formats. Paste or upload your data.
Markdown to HTML
Convert Markdown to HTML with live preview. Copy the HTML output instantly.
JSON to CSV
Convert JSON arrays to CSV format. Download as a .csv file.
YAML to JSON
Convert between YAML and JSON formats. Validate and format both ways.
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal.
HEX to RGB
Convert HEX color codes to RGB values and vice versa.
Unix Permissions Calculator
Calculate and convert Unix file permissions between symbolic and numeric formats.
PDF & Documents
Images to PDF
Combine multiple images into a single PDF file. Reorder pages and set page size.
PDF Merger
Merge multiple PDF files into one. Drag to reorder before combining.
Text to PDF
Convert plain text into a clean, downloadable PDF document.
PDF Splitter
Extract specific pages from a PDF. Split into individual pages or custom ranges.
PDF to Images
Convert PDF pages to PNG or JPG images. Choose resolution and page range.
PDF Compressor
Reduce PDF file size by compressing images and removing unnecessary data.
PDF Page Rotator
Rotate individual PDF pages by 90°, 180°, or 270°. Preview before saving.
PDF Watermark
Add text or image watermarks to PDF pages. Customize position, opacity, and size.
PDF Page Reorder
Drag and drop to rearrange PDF pages. Remove unwanted pages before saving.
HTML to PDF
Convert HTML content with styling into a downloadable PDF document.
PDF Metadata Editor
View and edit PDF title, author, subject, and keywords metadata.
CSV to PDF
Convert CSV or spreadsheet data into a formatted PDF table.
Image to Text (OCR)
Extract text from images using optical character recognition. Supports multiple languages.
PDF OCR
Extract text from scanned or image-based PDFs using OCR technology.
Searchable PDF
Add invisible searchable text layer to scanned PDFs. Makes PDFs copyable and searchable.