Encode an image as a data URI for inline use.
Developer tools
Formatters, encoders, generators and inspectors for daily dev work.
Formatters, encoders, generators and inspectors for daily dev work. 33 tools are live in this category, 33 of which run entirely in your browser — nothing is uploaded for those. Image to Base64, JSON Formatter and JSON Validator are among the ones people reach for most. None of them need an account or a sign-up to use.
Pretty-print, collapse and inspect JSON instantly.
Find the exact line and reason a JSON payload fails.
Strip whitespace to shrink a JSON payload.
Compare two JSON documents key by key.
Flatten a JSON array into a CSV table.
Turn a CSV file into structured JSON.
Indent and validate XML documents.
Format YAML and convert it to and from JSON.
Validate newline-delimited JSON line by line.
Format SQL with consistent keyword casing.
Encode and decode Base64 text and files.
Percent-encode and decode URL components.
Inspect the header, payload and claims of a JWT.
Generate v4 and v7 UUIDs in bulk.
Compute MD5, SHA-1, SHA-256 and SHA-512 digests.
Generate keyed HMAC signatures.
Test patterns against sample text with live matches.
Build and explain cron expressions in plain English.
Convert between epoch seconds and readable dates.
Compare two blocks of text line by line.
Break a URL into protocol, host, path and query.
Decode a query string into readable key/value pairs.
Escape and unescape HTML entities.
Strip comments and whitespace from HTML.
Minify stylesheets for production.
Reduce JavaScript file size safely.
Write Markdown and see the rendered output live.
Build Markdown tables without counting pipes.
Create a QR code for a link, text, Wi-Fi or vCard.
Turn a title into a clean, URL-safe slug.
Generate realistic placeholder records for testing.
Strip bloat from exported SVG files.