Convert Text & Data
Convert, transform, and format text and structured data instantly. Everything runs in your browser.
38 tools
Base64 Encode/Decode
Encode or decode Base64 strings online for free. Perfect for APIs, JWTs, and data URIs. No signup, p...
JSON Formatter
Format, validate, and minify JSON online for free. Indent and highlight API responses for easy readi...
Word Counter
Count words, characters, sentences, and paragraphs instantly. Calculate reading time. Perfect for wr...
Case Converter
Transform text to UPPERCASE, lowercase, Title Case, camelCase, or snake_case instantly. For headline...
URL Encode/Decode
Encode or decode URL strings (percent-encoding) online for free. Essential for APIs and query parame...
CSV to JSON Converter
Convert CSV to JSON online for free. Supports custom delimiters, automatic headers, and nested array...
Markdown to HTML
Convert Markdown to clean HTML instantly. Supports GFM, tables, code blocks, and more. No signup, ru...
Text Diff
Compare two texts and highlight differences line by line with color coding. Perfect for code, contra...
Epoch/Unix Converter
Convert Unix timestamps to human-readable dates and back. Supports seconds and milliseconds. Perfect...
HTML Entities Encode/Decode
Encode or decode HTML entities instantly. Escape special characters to display them safely in HTML. ...
JSON to XML Converter
Convert JSON to XML online for free. Ideal for bridging REST APIs with SOAP services. No signup, run...
YAML to JSON Converter
Convert YAML to JSON instantly. Perfect for Docker Compose, Kubernetes, and CI/CD config files. No s...
Remove Duplicate Lines
Remove duplicate lines from any text instantly. Perfect for cleaning email lists, logs, and datasets...
Sort Lines
Sort lines of text alphabetically, numerically, or in reverse order. Great for organizing lists and ...
Word Frequency Counter
Analyze word frequency in any text. Useful for SEO, content writing, and academic text analysis. No ...
CSS Minify & Beautify
Minify or beautify CSS online for free. Remove whitespace and comments to reduce size by 20–50%. No ...
HTML Minify & Beautify
Minify or beautify HTML online for free. Reduce HTML size by 10–20% by removing whitespace and comme...
JavaScript Minify & Beautify
Minify or beautify JavaScript online for free. Reduce JS size by 40–60%. Beautify obfuscated code wi...
SQL Formatter
Format SQL queries online for free. Auto-indentation, keyword capitalization, support for SELECT, IN...
Email Extractor
Extract all email addresses from any text instantly. Automatic deduplication, no signup, processed i...
URL Extractor
Extract all URLs from any text or HTML source instantly. Automatic deduplication, no signup, runs in...
Reverse Text
Reverse text by characters, words, or lines instantly. Unicode support, no signup, processed in your...
HTML to Markdown
Convert HTML to clean Markdown for documentation, README files, and CMS migration. Processed in your...
TOML to JSON Converter
Convert TOML to JSON and JSON to TOML bidirectionally. Perfect for DevOps config files. Processed in...
Binary to Text Converter
Convert text to binary and binary to text bidirectionally. Instant conversion in your browser, no si...
Hex to Text Converter
Convert text to hexadecimal and hex to text instantly. Processed entirely in your browser, nothing s...
Morse Code Converter
Convert text to Morse code and Morse code to text bidirectionally. ITU-R standard compliant. No sign...
Number Base Converter
Convert numbers between decimal, binary, octal, and hexadecimal instantly. Processed in your browser...
XML Beautifier & Minifier
Beautify XML with readable indentation or minify it for production. Processed in your browser. No si...
TSV to CSV Converter
Convert TSV (tab-separated) files to CSV and back. Instant conversion in your browser, no signup req...
Unicode Escape Converter
Convert text to Unicode escape sequences (\u0041) and back. Compatible with JSON and JavaScript. No ...
INI to JSON Converter
Convert INI configuration files to JSON and JSON to INI. Sections and keys preserved. No signup requ...
Markdown to Plain Text
Strip Markdown formatting and get clean text. No asterisks, headings, or tags. Ready for email, SMS,...
HTML to Plain Text
Strip all HTML tags and get clean plain text. No scripts, styles, or attributes. Perfect for email p...
.env to JSON Converter
Convert .env files to JSON and back. Handles comments, quotes, and empty values. Bidirectional. Your...
.properties to JSON Converter
Convert Java .properties files to JSON and back. Dot-notation nesting (a.b.c), comment handling (#),...
XML to CSV
Extract data from XML to CSV in your browser. Auto-detects rows, handles nested elements, correct CS...
Punycode/Unicode Converter
Convert internationalized domain names (IDN) between Punycode (xn--) and Unicode. Detects homographs...
FAQ
Got questions?
Yes. We support bidirectional CSV↔JSON conversion with different delimiters (comma, semicolon, tab).
Base64 is an encoding scheme that converts binary data to ASCII text. Used in APIs, emails, data URIs, and JWT tokens.
Yes. We offer formatting and minification for CSS, HTML, JavaScript, and SQL.
Yes. No text you enter is sent to servers. Everything is processed locally in your browser.
Convert text and data online: formats and encodings
The digital world runs on data in different formats: JSON for APIs, CSV for spreadsheets, XML for legacy systems, YAML for configuration, Base64 for binary encoding.
Convertir.ai offers instant conversion between all these formats directly in your browser. CSV↔JSON for integrating Excel data with APIs. JSON↔XML for connecting modern systems with legacy. YAML↔JSON for Docker and Kubernetes configuration.
All conversions run with pure JavaScript — no external dependencies, no data sent to servers.