Free Developer Tools
Format JSON, encode Base64, generate UUIDs, and convert Unix timestamps with private browser-based developer tools.
Developer tools ready to use
These utilities handle small, exact development tasks without sending source text to a server. Use them for debugging, test data, API payload checks, and date conversion while keeping the result easy to verify.
JSON Formatter & Validator
Format, minify, and validate JSON without uploading it.
Base64 Encoder & Decoder
Encode or decode UTF-8 text locally and accurately.
UUID Generator
Generate secure RFC 4122 version 4 UUIDs instantly.
Unix Timestamp Converter
Convert Unix seconds or milliseconds into readable dates.
How to use this collection
Inspect API payloads
Format or minify JSON and catch invalid syntax before a request reaches production.
Prepare safe test identifiers
Generate RFC 4122 version 4 UUIDs from the browser cryptographic API.
Translate machine time
Convert Unix seconds or milliseconds into ISO, UTC, and local date formats.
Frequently asked questions
Do Vroxify developer tools upload my input?
No. The tools in this collection process their current inputs in your browser.
Is Base64 encryption?
No. Base64 is reversible encoding and must not be used to protect secrets.