Base64 to Image / Image to Base64
Convert images to Base64 data URIs, or decode Base64 strings back to images. Works offline.
JSON Formatter & Validator
Format, minify, validate and escape JSON. Detect syntax errors instantly with a clean diff view.
JWT Decoder
Decode JWT header and payload. Inspect the claims of any JSON Web Token without sending it to a server.
Emoji to Unicode Converter
Convert emoji to Unicode codepoints, HTML entities and escaped forms. Get the exact Unicode value of any emoji.
Image Format Converter (WebP/PNG/JPG)
Convert WebP, PNG and JPG images to each other. Batch convert without uploading.
Base64 Text Encoder / Decoder
Encode and decode UTF-8 text as Base64 entirely in your browser.
URL Encode / Decode
Percent-encode and decode URI components in the browser.
HTML Entity Encoder / Decoder
Encode and decode common HTML entities (&, <, >, quotes) in the browser.
Hash Generator (SHA-256 / SHA-1)
Generate SHA-256 and SHA-1 hashes from text entirely in your browser.
UUID Generator
Generate UUID v4 identifiers entirely in your browser.
Password Generator
Generate strong random passwords with uppercase, lowercase, digits and symbols — entirely in your browser.
Case Converter
Convert text to lower, UPPER, Title, camelCase, PascalCase, snake_case or kebab-case. Handles camelCase and snake_case input too.
Word Counter
Count characters, words and lines instantly. Supports CJK where each character counts as one word.
Timestamp Converter
Convert Unix timestamps (seconds or milliseconds) to ISO and local time — and back — entirely in your browser.
Color Converter
Convert colors between HEX, RGB and HSL with a live preview — entirely in your browser.
Free, No Sign-up
All tools are free to use. No account needed — just open your browser and start working.
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Free, professional online tools