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Developer & SEO Utilities
High Intent

Data & Code Converters

Free online tools to convert JSON to CSV, YAML, XML, format SQL queries, and compile Markdown to HTML with zero server latency.

Popular

JSON to CSV Converter

Transform nested or tabular JSON datasets into clean, spreadsheet-ready CSV files with custom delimiters and automatic key flattening.

Client-Side Open
Core Tool

CSV to JSON Converter

Instantly convert CSV files and spreadsheet data into valid, nicely indented JSON structures for web APIs, testing, and databases.

Client-Side Open
DevOps

JSON to YAML Converter

Convert JSON payloads into clean, indented YAML format with strict indentation for Docker, Kubernetes, and cloud configs.

Client-Side Open
DevOps

YAML to JSON Converter

Translate YAML configurations into strictly formatted JSON for API consumption, programmatic testing, and database ingestion.

Client-Side Open
Top Tool

JSON Formatter & Beautifier

Transform messy, unformatted, or minified JSON into clean, readable code with syntax validation and 1-click indentation options.

Client-Side Open
Database

SQL Query Formatter & Beautifier

Beautify messy, single-line SQL queries with structured indentation and standard uppercase SQL keywords (SELECT, FROM, WHERE, JOIN).

Client-Side Open
Content

Markdown to HTML Converter

Compile Markdown text into clean, semantic HTML5 code with instantaneous browser rendering and 1-click HTML copy.

Client-Side Open
Standard

Base64 Encoder & Decoder

Encode strings into RFC 4648 Base64 representation or decode Base64 payloads back to readable UTF-8 text.

Client-Side Open
Web Standard

URL Encoder & Decoder

Safely encode special characters into percent-encoded (%20, %26) URI components or decode encoded URLs back to human-readable strings.

Client-Side Open
Content Migration

HTML to Markdown Converter

Convert raw HTML documents and CMS rich text into clean Markdown syntax for static site generators (Astro, Hugo, Jekyll) and documentation.

Client-Side Open
TypeScript

JSON to TypeScript Interface Generator

Instantly transform raw JSON payloads into clean, idiomatic TypeScript interfaces and types for front-end React, Vue, and Node.js codebases.

Client-Side Open
Performance

SVG Code Cleaner & Optimizer

Strip XML metadata, Illustrator/Figma export junk, and superfluous namespaces from SVGs to optimize asset payload weight for high Core Web Vitals.

Client-Side Open
High Intent

cURL to JavaScript Fetch & Python Converter

Transform raw cURL command lines into clean, production-ready JavaScript fetch(), Python requests, or Axios API call snippets.

Client-Side Open
React & Next.js

HTML to React JSX & TSX Converter

Transform raw HTML5 markup into compliant React JSX/TSX syntax: auto-replaces class with className, for with htmlFor, and self-closes tags.

Client-Side Open
API Tools

JSON to JSON Schema Converter

Auto-generate structured draft-07 compliant JSON Schema definitions from any JSON input with type inference and automatic required properties.

Client-Side Open
100% Private

Image to Base64 & Data URI Converter

Drop or select PNG, JPG, WebP, or SVG files to instantly encode them into Base64 Data URIs, HTML image tags, and CSS background rules without uploading.

Client-Side Open
API Mocking

Mock API Data & Fake JSON Generator

Generate realistic placeholder JSON datasets with customizable record counts for prototyping frontend interfaces and testing API workflows.

Client-Side Open
Debugging

JSON Diff & Comparison Tool

Perform side-by-side structural comparison of two JSON payloads. Highlights modified, added, and deleted properties with zero server logging.

Client-Side Open
API & Code

cURL to Python Requests Converter

Convert raw cURL shell commands into production-ready Python code using the requests library. Supports authentication, headers, and JSON payloads.

Client-Side Open
XML & JSON

XML to JSON Converter

Parse and convert XML data into structured, indented JSON with zero server latency. Preserves tags, values, and attributes client-side.

Client-Side Open
API Inspection

JSON Path Finder & Tree Inspector

Inspect and navigate nested JSON structures interactively. Click any key to copy its exact dot notation or JSONPath query directly to clipboard.

Client-Side Open
Binary & Hex

ASCII Text to Hex, Binary & Decimal Converter

Convert plain text into binary (01010011...), hexadecimal (53 65 63...), decimal, and octal encodings with instant 1-click copy.

Client-Side Open
DB Migration

SQL to JSON Converter

Convert SQL INSERT statements and database table dumps into structured JSON arrays. Automatically infers numbers, strings, and booleans.

Client-Side Open
Data Serialization

JSON to XML Converter

Transform complex JSON payloads and arrays into clean, indented XML documents. Supports root element naming and nested structures.

Client-Side Open
Excel & Sheets

TSV to JSON Converter

Convert tab-delimited text copied directly from Microsoft Excel or Google Sheets into structured JSON arrays of objects.

Client-Side Open
API Mock

Mock JSON API Generator & Dummy Data

Instant mock JSON array generator with realistic user profiles, e-commerce products, financial orders, and ISO timestamps for API mocking.

Client-Side Open
Vector & CSS

SVG to Data URI Converter & CSS Inliner

Instantly encode raw SVG vector code into compact, URL-encoded Data URIs ready for CSS background-image and HTML tags.

Client-Side Open
Decoder

Base64 to Image Decoder & Previewer

Paste any Base64 encoded string or image Data URI to instantly decode, inspect width/height and file size, and download the original PNG, JPG, WebP, or SVG file.

Client-Side Open
Markdown

HTML Table to Markdown & CSV Converter

Transform raw HTML tables into clean, aligned GitHub Flavored Markdown (GFM) tables and spreadsheet-ready CSV with 1-click copy.

Client-Side Open
Configuration

TOML to JSON & YAML Converter

Transform Tom's Obvious Minimal Language (TOML) files into clean, formatted JSON or YAML with instant client-side parsing and 1-click copy.

Client-Side Open