Decrypt AES-encrypted ciphertext back to plain text using the original passphrase.
Encrypt text using AES symmetric encryption with a passphrase. Generate ciphertext that can be safely transmitted or stored.
Find the ISO week number for any date. Also shows the day of the week and the current week of the year.
Decodes space- or comma-separated binary strings back into human-readable Unicode text, rejecting malformed groups with an exact-position error.
Audio to Text Transcription converts spoken audio from uploaded files into editable text using browser-based speech APIs.
Strip all HTML tags from content and decode HTML entities. Convert any HTML document back to clean plain text.
AES Decrypt lets you decrypt AES-encrypted ciphertext back to plain text using the original passphrase.. Everything runs inside your browser — nothing is uploaded to a server. It works on any device with a modern web browser.
Decrypt AES-encrypted ciphertext back to plain text using the original passphrase. It's ideal for developers, designers, and anyone who needs to decrypt aes-encrypted ciphertext back to plain text using the original passphrase without installing software or sending data to external servers.
Direct text entry, file upload, or URL-based input — depending on the tool. Paste or type your content directly into the provided editor area.
Yes. After the initial page load, AES Decrypt runs entirely on your device with no internet connection needed. All processing is done locally.
Tools cover JavaScript, CSS, HTML, SQL, Python, JSON, XML, CSV, and more. Check individual tool descriptions for specifics.
No. All code processing — formatting, minification, conversion, hashing — runs locally in your browser.
Yes. Since processing is local, performance depends on your device. Most operations handle large files without issue.
Yes. SQL uses sql-formatter, JSON uses native JSON.parse, and other formatters follow widely adopted formatting rules.
Yes. All developer tools work fully offline after the initial page load.
Time Converter
Convert between time units including seconds, minutes, hours, days, weeks, months, and years with precise decimal results.
Diff Checker
Compares two input texts side-by-side, highlighting inserted, deleted, and changed lines with distinct background colors.
Regex Tester
Provides an interactive environment where users can write a regular expression pattern, test it against sample strings, and view real-time match.
JSON Formatter
Pretty-prints raw JSON with configurable indent width, key sorting, and bracket collapsing options while flagging syntax errors with exact.
JS Minifier
Strips comments, whitespace, and shortens local variable names in JavaScript source without altering execution semantics.
Base64 Encode/Decode
Encodes text or small files into Base64 strings and decodes them back with automatic MIME-type detection for binary safety.