Captura Web Recorder

Record your screen with webcam overlay and microphone audio — streams directly to disk. Runs entirely in your browser, no data sent to any server.

PDF Password Tool

Add or remove passwords from PDF files entirely in your browser — powered by QPDF WebAssembly. Your files never leave your device.

Bookmarklet Compiler

Minify and compile raw JavaScript into a drag-and-drop bookmarklet — strips comments, compresses whitespace, and URI-encodes for the browser.

YouTube Thumbnail Grabber

Instantly fetch the full-resolution thumbnail of any YouTube video — paste any YouTube URL or video ID and download the raw JPG.

Image Compressor

Compress and convert images to JPEG, PNG, or WebP entirely in your browser — powered by ImageMagick WebAssembly.

Video & Audio Converter

Convert video and audio files between MP4, WebM, MKV, MOV, MP3, WAV, OGG, FLAC and more — runs entirely in your browser using the WebCodecs API. No uploads, no server.

Timestamp Converter

Convert between Unix epoch and human-readable timestamps.

Base64 Encoder / Decoder

Encode plain text to Base64 or decode Base64 back to text.

JSON Formatter & Validator

Format, minify, and validate JSON documents.

Amazon Ion Formatter

Format, minify, and convert Amazon Ion documents to JSON — entirely in your browser.

CRON Expression Generator

Build CRON expressions from frequency dropdowns — minute, hour, day, week, or month.

Hash Generator

Generate MD5, SHA-1, and SHA-256 hashes from any input text.

Smart Scratchpad

Distraction-free notepad that auto-saves every keystroke. Instantly strips formatting from pasted text.