Online encoding tools

Encode and decode Base64 strings for APIs, tokens, payloads and data exchange.

Minify HTML in seconds with compact output ready to copy.

Minify CSS by removing comments and unnecessary whitespace.

Minify simple JavaScript snippets in a fast browser workflow.

Decode Base64 image strings and export them as downloadable image files.

Convert image files into Base64 strings with optional data URL prefix.

Encode and decode URL strings for query params, tracking links and API requests.

Decode JWT tokens to inspect claims, expiration and payload structure instantly.

Convert Markdown to HTML for docs, blogs and CMS publishing workflows.

Convert HTML to Markdown for cleaner docs, repositories and content reuse.

Format XML with readable indentation for debugging and integrations.

Minify XML by removing unnecessary whitespace and line breaks.

Test regex patterns with flags, live matches and highlighted results.

Format or minify SQL queries for readable reviews, debugging and team collaboration.

Create QR codes for text or URLs and download them as PNG.

Read QR codes from uploaded images and extract encoded text or URLs.

Convert CSV data into structured JSON for APIs, ETL and automation workflows.

Convert JSON objects to CSV for spreadsheets, BI reports and data exports.