Free Online Converter Tools

Convert data, code, text, images, files, dates, numbers, and encoded values with simple tools that are ready to use in your browser.

49 Converter Tools No Account Required Browser-Based Copy or Download

Featured Converter Tools

Useful converters for data, code, files, and everyday format changes.

JSON to XML Converter

Convert JSON to XML online instantly and securely. Our free browser-native tool transforms JSON into structured XML for legacy systems and SOAP APIs. 100% private.

JSON to CSV Converter

Convert JSON to CSV online instantly and securely. Our free browser-native tool transforms JSON arrays into flat CSV files for Excel and data analysis. 100% private.

CSV to JSON Converter

Convert CSV data to JSON format online instantly and securely. Professional browser-native tool transforms spreadsheets into structured JSON arrays. 100% private.

JSON to YAML Converter

Convert JSON to YAML online instantly and securely. Our free browser-native tool transforms JSON into clean, readable YAML for Kubernetes, Docker, and DevOps. No uploads required.

HTML to JSX & TSX Converter

Convert HTML into React JSX or TSX with JSX attribute fixes, style objects, self-closing tags, SVG updates and conversion warnings.

Base64 Encoder & Decoder

Use Base64 Encoder & Decoder completely privately. It runs entirely in your browser.

URL Encoder & Decoder

Encode or decode URLs safely and securely in your browser.

QR Code Generator Online | Create Custom QR Codes Free

Create custom QR codes for URLs, Wi-Fi, WhatsApp, contacts, email, phone, text, events, locations, and UPI payments. Customize colors and download PNG or SVG.

GIF Viewer

Preview animated GIFs with play/pause controls and frame inspection. Runs entirely in your browser with no server upload required.

Image Converter

Use Image Converter completely privately. It runs entirely in your browser.

Unit Converter

Convert between length, mass, data, and temperature units with precision.

Unix Timestamp / Epoch Converter

Convert Unix timestamps to human-readable dates and vice-versa. Supports seconds and milliseconds.

JSON, CSV and Data Converters

Move structured data between common formats used by APIs, spreadsheets, configuration files, and programming languages.

JSON to XML Converter

Convert JSON to XML online instantly and securely. Our free browser-native tool transforms JSON into structured XML for legacy systems and SOAP APIs. 100% private.

JSON to CSV Converter

Convert JSON to CSV online instantly and securely. Our free browser-native tool transforms JSON arrays into flat CSV files for Excel and data analysis. 100% private.

CSV to JSON Converter

Convert CSV data to JSON format online instantly and securely. Professional browser-native tool transforms spreadsheets into structured JSON arrays. 100% private.

JSON to YAML Converter

Convert JSON to YAML online instantly and securely. Our free browser-native tool transforms JSON into clean, readable YAML for Kubernetes, Docker, and DevOps. No uploads required.

JSON to Go Converter

Convert JSON to Go structs online instantly and securely. Free browser-native JSON to Golang converter with no upload and zero data sharing.

JSON to Java Converter

Convert JSON to Java classes online instantly and securely. Free browser-native JSON to Java POJO converter with no upload and optional Lombok annotations.

YAML to JSON Converter

Convert YAML configuration files to JSON format for APIs and JavaScript instantly. Secure, browser-native tool with no data uploads.

XML to Properties Converter

Convert XML configuration files into flat Java .properties format. Handles nested elements with dot-notation.

SQL to JSON Converter

Convert SQL INSERT statements to JSON arrays locally in your browser. Secure SQL to JSON conversion with no upload required.

Properties to YAML

Use Properties to YAML completely privately. It runs entirely in your browser.

TOML to JSON

Use TOML to JSON completely privately. It runs entirely in your browser.

XML to JSON

Use XML to JSON completely privately. It runs entirely in your browser.

Developer and Code Tools

Convert, inspect, test, and prepare code used in web development and API workflows.

HTML to JSX & TSX Converter

Convert HTML into React JSX or TSX with JSX attribute fixes, style objects, self-closing tags, SVG updates and conversion warnings.

Professional Diff Viewer

Compare two text snippets or code blocks instantly. Identify additions, deletions, and line-level changes with professional visual diff highlighting.

cURL to Fetch Converter

Convert cURL commands to Fetch API or Axios JavaScript code securely in your browser with no server upload.

Visual Cron Generator

Build cron schedules visually. Generate cron expressions for Linux, Spring, and Quartz with human-readable descriptions.

JSONPath Tester

Test and debug JSONPath queries. Extract, filter, and manipulate JSON data using standard path syntax.

String Escaper & Unescaper

Escape and unescape strings for Java, C#, PHP, and JavaScript. Safely handle quotes, newlines, and special symbols for source code integration.

UA Parser & Advanced Client

Parse user-agent strings online to identify browser, operating system, device type, and rendering engine.

HTML to Markdown

Use HTML to Markdown completely privately. It runs entirely in your browser.

Markdown to HTML

Use Markdown to HTML completely privately. It runs entirely in your browser.

Regex Tester

Use Regex Tester completely privately. It runs entirely in your browser.

Encode and Decode Tools

Encode, decode, escape, and inspect text or numeric values used in websites, APIs, URLs, and files.

Number Base Converter

Convert whole numbers between decimal, hexadecimal, binary, octal, and base 36 with BigInt precision and no upload.

ASCII Converter

Convert text to ASCII decimal values and decode ASCII numbers back into readable text securely in your browser.

HTML Entity Encoder & Decoder

Quickly encode and decode HTML entities securely in your browser.

URL Encoder & Decoder

Encode or decode URLs safely and securely in your browser.

Base64 Encoder & Decoder

Use Base64 Encoder & Decoder completely privately. It runs entirely in your browser.

Base64 to Image

Use Base64 to Image completely privately. It runs entirely in your browser.

Binary Converter

Use Binary Converter completely privately. It runs entirely in your browser.

Hex Converter

Convert values between hexadecimal, decimal, binary, octal, and human-readable text formats.

Text and Content Tools

Create, count, clean, and convert text used in documents, websites, and development work.

Lorem Ipsum Generator

Generate lorem ipsum placeholder text online instantly and securely. Create words, sentences, paragraphs, HTML, Markdown, and downloads with no upload.

Advanced Text Analyzer

Analyze text metrics including word count, character count (with/without spaces), reading time, and sentence analysis.

Text Case Converter

Use Text Case Converter completely privately. It runs entirely in your browser.

Image, Media and File Tools

Change file formats, create QR codes, inspect GIFs, and prepare files for sharing or publishing.

WebP to PNG Converter

Convert WebP images to PNG locally in your browser with no upload. Batch convert files and download PNG outputs privately.

Bulk File Renamer

Rename multiple files at once using customizable patterns, numbering, and search-and-replace rules. Run 100% locally in your browser to protect filename privacy.

Image Converter

Use Image Converter completely privately. It runs entirely in your browser.

JPG to PNG

Use JPG to PNG completely privately. It runs entirely in your browser.

PNG to JPG

Use PNG to JPG completely privately. It runs entirely in your browser.

QR Code Generator Online | Create Custom QR Codes Free

Create custom QR codes for URLs, Wi-Fi, WhatsApp, contacts, email, phone, text, events, locations, and UPI payments. Customize colors and download PNG or SVG.

WebP to JPG

Use WebP to JPG completely privately. It runs entirely in your browser.

Video to GIF

Convert your MP4, WEBM, or MOV videos to GIF format privately. Processing runs entirely in your browser using local resources.

GIF Viewer

Preview animated GIFs with play/pause controls and frame inspection. Runs entirely in your browser with no server upload required.

Utility Converters

Generate identifiers, parse technical values, and handle common daily conversion tasks.

Secure Password Generator

Generate secure random passwords, readable passphrases, and numeric PINs directly in your browser with no upload.

UUID Generator

Generate bulk UUID v1 and v4 identifiers locally in your browser with uppercase and hyphen formatting options.

Unix Timestamp / Epoch Converter

Convert Unix timestamps to human-readable dates and vice-versa. Supports seconds and milliseconds.

IP Address & Subnet Calculator

Calculate CIDR subnet mask details, IP ranges, network capacity, and subnet configurations in your browser.

URL Parser

Parse full URLs into protocol, host, path, query parameters, hash, and origin locally in your browser.

Unit Converter

Convert between length, mass, data, and temperature units with precision.

Color Converter

Convert color codes between HEX, RGB, HSL, CMYK, and other color format representations.

Conversion in Your Browser

Many TryFormatter converter tools are designed to process input directly in the browser. This can reduce the need to send text or files to an external processing service.

Each converter may use different browser features. Large inputs can use more memory and may process more slowly on phones or older computers.

Review the result before using it in an application, database, website, or production workflow.

Choose the Right Converter

Convert Structured Data

Use JSON, CSV, XML, YAML, TOML, SQL, Go, and Java converters when data must move between APIs, spreadsheets, configuration files, and code.

Encode or Decode Values

Use Base64, URL, HTML entity, ASCII, binary, hexadecimal, and string tools when text must be prepared for websites, APIs, or code.

Convert Images and Files

Use image converters to change JPG, PNG, and WebP formats. Use Video to GIF, GIF Viewer, QR Code Generator, or Bulk File Renamer for other file workflows.

Check the Output

Different formats do not always store information in the same way. Review nested values, dates, special characters, empty fields, image quality, and filenames after conversion.

Use a Script for Repeated Work

A browser converter is useful for quick or manual tasks. Use a tested script or application workflow when the same conversion must process large datasets repeatedly.

Frequently Asked Questions

Which converter should I use for JSON data?

Use JSON to CSV for spreadsheet imports, JSON to XML for API integration, or JSON to YAML for readable configuration parameters.

How do I convert JSON to CSV?

Use the JSON to CSV tool to upload your JSON file or paste your array, adjust flattening options, and download the resulting CSV.

How do I convert CSV to JSON?

Use the CSV to JSON tool. Paste your comma-separated table data or load the file, select your structure, and copy the parsed JSON.

What is the difference between JSON, XML, and YAML?

JSON is ideal for APIs, XML handles hierarchical enterprise data, and YAML offers highly readable indentation-based configurations.

Can nested JSON always be converted into CSV?

Converting nested JSON to CSV requires flattening the tree hierarchy. Very complex nested structures may be simplified or restructured during conversion.

How do I convert HTML into React JSX?

Use the HTML to JSX tool. Paste your standard HTML markup and the tool will convert attributes (like class to className) to JSX.

What is Base64 encoding?

Base64 converts binary data or text into an ASCII string representation, allowing it to be safely embedded or transferred over text-based networks.

What is URL encoding?

URL encoding replaces unsafe URL characters with percent-encoded representations so that the query string remains valid for browsers and APIs.

Can I convert JPG, PNG, and WebP images?

Yes. Use our image converters (like WebP to PNG, JPG to PNG, PNG to JPG, or the multi-format Image Converter) to convert image formats in your browser.

How do I create a GIF from a video?

Use the Video to GIF tool to load a supported video file, select the starting point, duration, and frame rate, and export the animated GIF.

Can I inspect individual GIF frames?

Yes. Use the GIF Viewer tool to upload any animated GIF, play the animation, and browse or download individual static frames.

How do I convert a Unix timestamp into a date?

Use the Epoch Converter tool. Enter the seconds or milliseconds Unix timestamp and convert it to a local or UTC date string.

Can large files fail in a browser?

Yes. Browser-based tools execute locally inside browser memory. Very large input files or extensive datasets can exceed the memory allocation of your tab.

Are input values sent to analytics?

No. Your input strings, files, dates, keys, and converted output results are processed locally and are never shared with external trackers.

Why does converted data look different from the source?

Different formats have unique specifications. For example, converting JSON objects to CSV removes tree structures, while converting YAML to JSON removes comments.

When should I use a script instead of an online converter?

Use online tools for quick, manual conversions. For recurring tasks, large datasets, or automated pipelines, write a script to run in your local environment.

Explore Other Tool Categories

Browse other free browser-based developer and utility hubs on TryFormatter.