38 free tools

Free tools that never see your data.

Formatters, converters, calculators and more. Everything runs in your browser.

Runs in your browser
No uploads
No sign-up

How your data is handled

All tools · 38

JSON Formatter & Validator

Format, minify, and validate JSON instantly in your browser.

XML Formatter & Validator

Format and validate XML instantly in your browser.

YAML Formatter & Validator

Format, validate, and convert YAML to JSON instantly.

Markdown to HTML Preview

Preview Markdown as rendered HTML, with a raw HTML view you can copy.

SQL Formatter

Format and beautify SQL queries with Standard SQL, MySQL, and PostgreSQL support.

JWT Decoder

Decode a JWT's header, payload, and expiry status instantly.

Base64 Encode/Decode

Encode text to Base64 or decode Base64 back to text.

URL Encoder/Decoder

Encode text for URLs or decode URL-encoded text back to plain text.

HTML Entity Encoder/Decoder

Encode text to HTML entities or decode HTML entities back to plain text.

Regex Tester

Test regular expressions with live-highlighted matches and groups.

JSON to Python Converter

Generate Python dataclasses from a JSON sample, with types inferred automatically.

Cron Expression Parser

Explain a cron expression in plain English and see its next 5 run times.

JSON to TypeScript Converter

Generate TypeScript interfaces from a JSON sample, with types inferred automatically.

cURL to Python/JavaScript Converter

Convert a cURL command into equivalent Python (requests) or JavaScript (fetch) code.

JWT Generator

Build and sign a JWT from a custom header, payload, and secret using HS256.

Cron Expression Generator

Build a valid cron expression using simple field pickers, with a plain-English preview.

Unix Timestamp Converter

Convert between a Unix timestamp and a human-readable date, in local time and UTC.

Hash Generator (MD5, SHA-1, SHA-256, SHA-512)

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text.

UUID/GUID Generator

Generate random UUID v4 / GUID values, one at a time or in bulk.

Text Diff Checker

Compare two blocks of text and see the differences highlighted.

Word & Character Counter

Count words, characters, sentences, and paragraphs as you type.

Case Converter

Convert text to UPPERCASE, Title Case, camelCase, snake_case, and more.

Duplicate Line Remover & Text Sorter

Remove duplicate lines, sort alphabetically, and strip empty lines — combine any of the three.

Password Strength Checker

Check password strength based on length, variety, and patterns.

Unit Converter

Convert length, weight, and temperature units instantly.

Color Picker & Converter

Pick a color or convert between Hex, RGB, and HSL formats.

Age Calculator

Calculate exact age in years, months, and days between two dates.

Date Difference Calculator

Calculate the difference between two dates in years, months, and days.

BMI Calculator

Calculate your Body Mass Index using metric or imperial units.

Percentage Calculator

Calculate percentages, increases, decreases, and percent change.

EMI Calculator

Calculate monthly loan EMI, total interest, and total payment.

India Income Tax Calculator (New Regime)

Estimate India income tax for FY 2025-26 under the new regime.

PDF Merge

Combine multiple PDF files into one, entirely in your browser.

PDF Split

Extract a page range or split a PDF into individual pages.

Image Compressor & Resizer

Resize and compress images with a live preview.

Image Format Converter

Convert images between JPG, PNG, and WebP with a live preview.

QR Code Generator

Generate a QR code from any URL or text and download it as a PNG.

Password Generator

Generate strong, random passwords with customizable length and character types.

Why it's private

Processed on your device

Every tool runs in your browser, and your text and files are not sent to a server.

Nothing to sign up for

No account and no email needed to use any tool.

See for yourself

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