All Browser-Based Tools
Every tool runs 100% locally on your computer or phone. No file uploads, no accounts, and zero daily limits.
Percentage Calculator
Calculate percentages, % changes, increases, and proportions instantly.
GST Calculator
Calculate Indian Goods and Services Tax with CGST, SGST, and IGST splits.
EMI Calculator
Calculate loan EMI, interest payable, and detailed monthly amortization schedules.
SIP Calculator
Calculate mutual fund SIP compounding growth, maturity wealth, and returns.
Age Calculator
Calculate exact chronological age in years, months, days, weeks, and hours.
Word Counter
Count words, characters, sentences, paragraphs, and reading time in real time.
JSON Formatter & Validator
Format, validate, beautify, minify, and inspect JSON with line and column error reporting.
Unit Converter
Convert length, weight, area, volume, temperature, speed, time, data, and pressure.
QR Code Generator
Generate custom QR codes for URLs, Wi-Fi, text, email, phone, and vCards.
Image Compressor
Compress JPG, PNG, and WebP images directly in your browser with live preview and savings stats.
Image Resizer
Resize images by pixels, percentage, or social media presets with aspect ratio lock.
Image Format Converter
Convert images between JPG, PNG, and WebP formats in batch with transparency handling.
JPG to PDF Converter
Convert JPG and PNG images into a clean PDF document with custom margins and page sizes.
PDF Merger
Combine multiple PDF files into one organized document with custom page ranges.
PDF Compressor
Compress and reduce PDF file size in your browser with lossless and raster modes.
Case Converter
Convert text case to uppercase, lowercase, title case, camelCase, and more.
Password Generator
Generate secure random passwords locally with custom length and characters.
Base64 Encoder & Decoder
Encode and decode text and files to Base64 format locally in your browser.
Text Diff Checker
Compare two text documents side-by-side to highlight added and removed lines.
CSV to JSON Converter
Convert CSV to JSON and JSON to CSV formats with custom delimiters and export.
Unix Timestamp Converter
Convert Unix epoch timestamps to human readable dates and dates to timestamps.
Color Converter & Contrast
Convert HEX, RGB, HSL, and CMYK color codes with live WCAG contrast checking.
Markdown Previewer
Live markdown editor with instant HTML preview, syntax highlighting, and export.
Regex Tester & Debugger
Test regular expressions in real-time with capture groups and string replacement.
Hash & Checksum Generator
Generate SHA-256, SHA-512, and SHA-1 cryptographic hashes locally in your browser.
UUID Generator
Generate random v4 UUIDs and GUIDs in bulk with custom casing, hyphens, and braces.
Lorem Ipsum Generator
Generate custom dummy placeholder text by paragraphs, sentences, or words.
URL Encoder & Decoder
Encode and decode URLs, query strings, and percent-encoded parameters with ease.
HTML Entity Converter
Encode and decode special characters into standard named and numeric HTML entities.
JWT Token Decoder
Decode JSON Web Tokens locally in your browser. Inspect header, payload, and expiry.