Convert text to Base64 and back.
Runs in your browser
21 tools in this collection
Developer tools
Focused utilities with clear privacy and no unnecessary workflow.
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Format C# with a CSharpier-compatible Roslyn engine running in the browser.
Runs in your browser -
Format CSS, SCSS or Less with syntax-aware indentation and line wrapping.
Runs in your browser -
MD5, SHA-1, SHA-256, SHA-512 and CRC-32 of any text, with checksum verification.
Runs in your browser -
Sign a message with a secret key: HMAC-SHA-256, SHA-1, SHA-512 and MD5.
Runs in your browser -
Format and beautify HTML fragments or full documents with HTML-specific controls.
Runs in your browser -
Format and beautify JavaScript with configurable indentation, quotes and semicolons.
Runs in your browser -
Format, indent and beautify JSON.
Runs in your browser -
Check whether JSON is valid and find the exact error.
Runs in your browser -
Inspect the header and payload of a JSON Web Token.
Runs in your browser -
Write Markdown and see a safe, live preview with tables, task lists and code blocks.
Runs in your browser -
Generate strong, cryptographically random passwords on your device.
Runs in your browser -
Format Python with Ruff and configure line length, quotes and trailing commas.
Runs in your browser -
Translate SQL between MySQL, PostgreSQL, T-SQL, Oracle and 12 more dialects.
Runs on our server -
Convert Unix timestamps to dates and back.
Runs in your browser -
Format TypeScript, interfaces and type annotations with the correct parser.
Runs in your browser -
Generate cryptographically random version 4 UUIDs in bulk.
Runs in your browser -
Format, indent or minify XML without uploading it.
Runs in your browser -
Check whether XML is well-formed and pinpoint syntax errors.
Runs in your browser -
Run an XPath expression against XML and see what it matches.
Runs in your browser -
Format YAML configuration with syntax checking, indentation and line wrapping.
Runs in your browser