Encodes text or small files into Base64 strings and decodes them back with automatic MIME-type detection for binary safety. Everything runs locally in your browser — nothing is uploaded.
Decodes space- or comma-separated binary strings back into human-readable Unicode text, rejecting malformed groups with an exact-position error.
Decodes a Base64 data string back into its original image format and displays a preview directly in the browser with a download button.
Scan thousands of log files or codebase files for regex patterns (IPs, API keys, URLs) and extract or replace them. Visual builder for non-coders with live preview.
Extracts all text content from PDF files and converts it to clean Markdown format with proper headings, lists, and structure. Perfect for documentation, research papers, and text extraction.
Find and replace text in any string with one click. Fast bulk text replacement for content editing and data cleanup.
Base64 Encode/Decode lets you encodes text or small files into Base64 strings and decodes them back with automatic MIME-type detection for binary safety. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Encodes text or small files into Base64 strings and decodes them back with automatic MIME-type detection for binary safety. Everything runs locally in your browser — nothing is uploaded. It's ideal for developers, designers, and anyone who needs to encodes text or small files into base64 strings and decodes them back with automatic mime-type detection for binary safety 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, Base64 Encode/Decode 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.
Image to Base64
Converts uploaded images (PNG, JPG, GIF, SVG, WebP) into Base64-encoded data URI strings ready for embedding in HTML, CSS, or JSON.