Privacy-First Browser Execution

Digital Artisan Toolkit

Fast, secure, and offline-first developer utilities blending ancient precision with hyper-modern code elements.

schema

JSON Generator

LOCAL

Generate JSON schemas, format, minify, and validate JSON inputs with multi-draft version support.

Draft-07 Validator

history_edu

Markdown Converter

HTML

Convert HTML syntax directly to Markdown markup or render live markdown previews in high fidelity.

GFM Live Preview

balance

Diff Checker

UTILITY

Compare two blocks of text to dynamically highlight additions, deletions, and specific inline edits.

Line Diff Word-level

trending_up

SIP Calculator

INVESTMENT

Calculate estimated mutual fund SIP returns and investment growth over custom time frames.

SIP Projections

cottage

EMI Calculator

LOAN

Calculate home or vehicle loan EMIs with detailed support for custom loan prepayment scenarios.

EMI Prepayment

key

Base64 Tool

NEW

Encode and decode Base64 strings safely with full UTF-8 Unicode, Base64Url, and Hex format support.

Unicode UTF-8 Hex / URL

description

YAML Validator

NEW

Validate YAML syntax with real-time error line pointing, tab-to-space correction, and lint fixing.

Validator Linter / Auto-Fix

qr_code_2

QR Code Generator

New

Generate high-quality scannable QR codes instantly from text, data, or URLs.

Utility

add_circle

More Tools

SOON

Additional utilities, cryptographic validators, and system diagnostic scripts are currently in pipeline.

schemaJSON Schema Generator & Validator

Generate standard drafts, validate inputs, minify and format your JSON files.

info

How to Use

1

Select Draft

Choose your JSON Schema version (Draft-07 standard recommended).

2

Paste JSON

Enter your valid raw JSON structure into the left-hand editor panel.

3

Generate Schema

Click schema generation controls to compute draft schemas automatically.

4

Validate & Export

Verify input integrity against the schema, copy strings, or download.

JSON Input

0 bytes

Local formatting

balanceText Difference Checker

Compare original and modified texts line-by-line, highlighting specific text changes.

Mode:

Case-sensitive Ignore whitespace

Original Text

0 lines

Modified Text

0 lines

history_eduHTML ↔ Markdown Converter

Bidirectional converter between semantic HTML layout structure and simplified Markdown code syntax.

Conversion Direction:

GitHub Flavored Markdown

HTML Source Code

0 bytes

Markdown Output

trending_upSIP Calculator

Estimate systemic investment plan returns, total wealth gain, and mature fund values offline.

SIP Parameters

Monthly Investment Amount (₹)

Expected Annual Return Rate (%)

Investment Period (Years)

cottageEMI Loan Calculator

Calculate Equated Monthly Installments, complete amortization tables, and estimate prepayments savings.

Loan Parameters

Loan Principal Amount (₹)

Interest Rate (Annual %)

Loan Tenure (Years)

Prepayment Scenarios (Optional)

One-Time Prepay (₹)

Prepayment Month

Monthly Recurring Prepayment (₹)

Standard Loan Results

Monthly EMI ₹0

Total Interest ₹0

Total Cost ₹0

Standard Period 240 months

Prepayment Savings

Revised Total Interest ₹0

Interest Savings ₹0

Revised Tenure 240 months

Months Saved 0 months

Amortization Table schedule

Month	Opening Bal	EMI Paid	Principal	Interest	Prepayment	Ending Bal

Loan Payment Breakdown

Amortization Schedule

keyBase64 Tool

Encode and decode text safely client-side. Seamlessly supports UTF-8 Unicode characters, Base64Url format, and Hex output encoding.

Conversion Mode

Fast Controls:

Input Text 0 chars

Base64 Output 0 chars

descriptionYAML Validator & Linter

Validate YAML syntax instantly client-side. Use the Smart Linter to automatically clean common formatting bugs, convert tabulations to double spaces, and correct spacing anomalies.

YAML Editor 0 chars | 0 lines

qr_code_2QR Code Generator

Generate scannable QR codes instantly for URLs, text, and data.

Enter Data for QR Code

QR code will appear here