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Encoding & Format

Encoding & Format — free online tools

41 tools

From debugging API responses to handling binary data and generating config files, the right encoding tool saves hours of work. This collection covers JSON formatting and minification, Base64 encode/decode, URL encoding, XML formatting, and more — all running locally in your browser with no data ever uploaded.

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JSON Formatter

Format, minify & validate JSON data HOT 🗜

JSON Minifier

Remove whitespace to compress JSON 🔄

JSON to YAML

Convert JSON to YAML format 🔄

YAML to JSON

Convert YAML to JSON format 📊

JSON to CSV

Convert JSON arrays to CSV tables 📋

CSV to JSON

Convert CSV tables to JSON arrays 📄

XML Formatter

Format, minify & validate XML data 🔄

XML to JSON

Convert XML structure to JSON 🔄

JSON to XML

Convert JSON to XML structure 🌐

HTML Formatter

Format and beautify HTML code 🎨

CSS Formatter

Format and minify CSS code ⚡

JS Formatter

Format and minify JavaScript code 🗃

SQL Formatter

Format complex SQL queries HOT 🔐

Base64 Encode/Decode

Encode and decode Base64 strings HOT 🖼

Image Base64

Convert images to/from Base64 🔗

URL Encode/Decode

Encode and decode URL strings HOT 🏷

HTML Entity Escape

Encode/decode HTML special entities 🔠

Unicode Escape

Escape and unescape Unicode chars #️⃣

Hex Encode/Decode

Convert text to/from hex strings 📝

Markdown Preview

Live render Markdown to HTML 📋

TOML Formatter

Format and validate TOML config 📦

Protobuf Viewer

Parse and format Protobuf messages 📦

MessagePack Viewer

Parse MessagePack binary format 📦

CBOR Viewer

Parse and display CBOR binary data 📋

Bencode Decoder

Decode BitTorrent Bencode format 📋

INI Formatter

Format and validate INI config ⚡

GraphQL Formatter

Format GraphQL schemas and queries 🔐

PEM Certificate Decoder

Parse PEM format SSL certificates 🎫

JWT Deep Inspector

Deep inspect JWT structure & expiry 📋

JSONL Formatter

Validate and format JSON Lines 🔄

TOML to JSON

Convert TOML config to JSON 🔄

YAML to TOML

Convert YAML config to TOML 📊

XML to CSV

Batch convert XML data to CSV ⚙

Nginx Config Validator

Check Nginx config syntax errors 📄

.env File Formatter

Format and validate .env files ✅

OpenAPI Validator

Validate OpenAPI/Swagger specs 🔍

JSON Deep Diff

Visualize nested JSON differences 🔐

Base32 Encode/Decode

Encode and decode Base32 strings 🔠

UTF-8 Encoder Analyzer

Analyze text UTF-8 byte sequences 🗜

HTML Minifier

Compress HTML, strip comments 🌐

Punycode Converter

Encode/decode internationalized domains NEW