Encode and decode Base64 text privately in the browser.
Encoding & Conversion
14 free browser tools
Base64, URL, HTML encode/decode and format conversion utilities.
Encode and decode URL percent encoding instantly in the browser.
Escape and unescape HTML entities instantly in the browser.
Convert numbers between binary, octal, decimal, and hex instantly.
Convert images between PNG, WebP, and JPEG locally in the browser.
Beautify and minify HTML instantly in the browser.
Beautify and minify JavaScript instantly in the browser.
Parse URLs into protocol, host, path, query params, and hash.
Validate .env syntax and detect duplicates and risky entries.
Encode images to Base64 data URIs or decode Base64 back to images.
Two-way Roman numeral converter (1–3999) with component breakdown.
Extract EXIF metadata from photos — camera, GPS, settings. Strip metadata for privacy.
Luhn algorithm credit card validator. Detects 8 card types. Includes test numbers.
MOD 97 IBAN validator for 45+ countries. Shows country, check digits, BBAN.