Is my JSON sent to a server?

No. Formatting and validation happen locally in your browser.

Can I hash a file, not only text?

Yes. The hash generator works with files of any size and can compare the result with a checksum.

Does the CSV converter handle semicolons and quotes?

Yes. It finds commas, semicolons or tabs by itself and understands quoted values with line breaks.

Developer Tools

JSON, CSV, hashes, UUIDs and Base64 for everyday coding.

JSON Formatter
UUID Generator
Hash Generator
Image to Base64
CSV ↔ JSON

About these tools

Free developer tools: format and validate JSON, convert CSV to JSON and back, create MD5, SHA-1 and SHA-256 hashes, encode images to Base64 and generate UUIDs.

Your data never leaves the browser, so it is safe to paste API responses, configs and tokens.

FAQ

Is my JSON sent to a server?: No. Formatting and validation happen locally in your browser.
Can I hash a file, not only text?: Yes. The hash generator works with files of any size and can compare the result with a checksum.
Does the CSV converter handle semicolons and quotes?: Yes. It finds commas, semicolons or tabs by itself and understands quoted values with line breaks.