All Free Online Tools & Utilities
50+ free tools for developers, finance professionals, content creators, and everyday users. JSON formatters, API testing, image processing, calculators, and more — all in your browser.
AI (3)
Calculator (2)
Developer (14)
Base64 Encoder/Decoder
Encode and decode Base64 strings.
JWT Decoder
Decode JWT tokens.
Timestamp Converter
Convert Unix timestamps to dates.
URL Encoder/Decoder
Encode and decode URLs.
Hash Generator
Generate MD5, SHA-1, SHA-256 hashes.
Color Converter
Convert HEX, RGB, HSL colors.
Curl to JSON
Convert Curl commands to structured JSON.
REST Web Client — Free Postman Alternative
Test REST APIs online free — best Postman alternative. GET, POST, PUT, DELETE with JSON/XML body, CORS proxy, cURL import, multi-tab testing. No install.
SOAP Web Client — Free SoapUI Alternative
Test SOAP XML services online free — best SoapUI alternative. Custom envelopes, SOAPAction headers, secure proxy. No Java, no install.
CSS Minifier
Minify CSS code.
CSS Formatter
Format and beautify CSS code.
Lorem Ipsum Generator
Generate placeholder text.
Password Generator
Generate secure passwords.
QR Code Generator
Generate QR codes from text/URL.
Finance (6)
GST Calculator
Calculate GST for India.
Invoice Generator
Create professional invoices.
Resume Builder
Build professional resumes.
Free EMI Calculator — Home, Car & Personal Loan
Calculate monthly EMI for home loans, car loans, and personal loans. See full amortization schedule with interest breakdown.
Income Tax Calculator India (2026)
Calculate income tax under old and new tax regimes. Updated for the latest Indian budget with deductions and exemptions.
Interest Calculator
Unified toolkit for Simple and Compound interest with flexible duration tracking.
Image (6)
Image Compressor
Compress images with minimal quality loss.
Image to PDF
Convert images to PDF documents.
Universal Image Converter
Convert images to any major format instantly.
Crop Image
Cut and frame your images.
Add Watermark
Protect photos with text watermarks.
Passport Photo Maker Online — Exam & Visa
Create passport-sized photos for exams, visa applications, and ID cards. Supports Indian passport, US visa, and custom sizes.
JSON (5)
Free JSON Formatter & Beautifier Online
Format, beautify, validate, and minify JSON data instantly. Paste messy JSON and get clean, readable output in one click.
JSON Validator Online — Check & Fix Errors
Validate JSON syntax instantly. Find missing commas, brackets, and quotes with exact line numbers.
JSON Schema Validator
Validate JSON against a schema.
JSON Diff & Compare Tool Online
Compare two JSON files side by side. Find differences, missing keys, and value changes instantly.
JSON to CSV, XML, YAML Converter Online
Convert JSON to CSV, XML, YAML, and Excel formats — and back. Free universal data format converter.