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 a Base64 data string back into its original image format and displays a preview directly in the browser with a download button. No signup or account required.
Encode special HTML characters into entities (& < >) or decode them back to readable text.
Encode text to Base32 or decode Base32 strings back to text.
Convert between plain text and binary in both directions — encode text into its base-2 representation or decode binary strings back to readable text, byte by byte. 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. Everything runs locally in your browser — nothing is uploaded.
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 runs entirely in your browser — no software installation or data uploads required.
Paste or type your content directly into the provided text 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.
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. All processing runs locally — no code is sent to any server.
Tools cover JavaScript, CSS, HTML, SQL, Python, JSON, XML, CSV, and more. Check the tool description for specifics.
Yes. Since processing is local, performance depends on your device. Most operations handle large files without issue.
Yes. Formatters use well-known libraries (sql-formatter, Prettier-compatible patterns) and follow widely adopted rules.
Random Port Generator
Generate random TCP/UDP port numbers from well-known, registered, or dynamic ranges. Useful for network testing, Docker port mapping, and firewall configuration.
Chmod Calculator
Convert between numeric (755) and symbolic (u=rwx,g=rx,o=rx) chmod permission formats. See detailed breakdown for owner, group, and others.
Docker Run to Compose Converter
Convert docker run commands to docker-compose.yml format. Supports ports, volumes, environment variables, networks, restart policies, and container names.
Email Normalizer
Normalize email addresses by removing dots (Gmail), stripping +tags, and lowercasing. Process multiple emails at once for deduplication and cleaning.
Diff Checker
Compares two input texts side-by-side, highlighting inserted, deleted, and changed lines with distinct background colors. Everything runs locally in your browser — nothing is uploaded.
IP Address Lookup
Displays your public IPv4 and IPv6 addresses with geolocation data (city, ISP, ASN, timezone). Network engineers use it to verify VPN connectivity. Uses cloud-based processing.