Tools
A collection of some developer tools and utilities.
Text
Character Counter
Count characters, words, and lines in your text.
Open tool →Regex Tester
Test a regular expression against a string and see matches highlighted.
Open tool →Tree MD Generator
Generate a markdown directory tree from a file list.
Open tool →Table MD Generator
Turn CSV, TSV, or delimited data into a clean Markdown table.
Open tool →Code & Data
JSON Formatter
Format, validate, and minify JSON with instant error feedback.
Open tool →HTML Viewer
Write or paste HTML and see a live preview, or build a page from scratch.
Open tool →Markdown Viewer
Write or paste Markdown and see it rendered live.
Open tool →MD Slide Viewer
Write Markdown slides, present them as a live slideshow.
Open tool →Rich Text Editor
Format text visually with a WYSIWYG editor and copy the generated HTML.
Open tool →Encoding & Security
AES Encryption
Encrypt and decrypt text with AES.
Open tool →Base64 Encoder
Encode text to Base64 or decode Base64 back to text.
Open tool →Base64 Image Encoder
Convert an image to a Base64 data URI, or decode Base64 back into an image.
Open tool →JWT Decoder
Decode a JWT's header and payload and inspect its claims.
Open tool →Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes from text.
Open tool →