Escape or unescape special characters with backslashes. Handles newlines, tabs, quotes, and more. Everything runs locally in your browser — nothing is uploaded.
Escape or unescape JSON strings — convert special characters to their JSON-safe escaped equivalents and back.
Encode special HTML characters into entities (& < >) or decode them back to readable text.
Convert TTF/OTF fonts to WOFF2 and subset to only used characters (Latin, Cyrillic, etc.). Generates @font-face CSS blocks. Cuts font files from MBs to KBs. Everything runs locally in your browser — nothing is uploaded.
Flip text upside down using Unicode rot180 (rotated 180 degrees) characters. Two modes: full flip reverses order and flips characters, mirror flips characters in place. Great for social media and fun.
Generate SEO-friendly URL slugs from any text. Automatically removes special characters and converts spaces to hyphens. Everything runs locally in your browser — nothing is uploaded.
Backslash Escape / Unescape lets you escape or unescape special characters with backslashes. Handles newlines, tabs, quotes, and more. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Escape or unescape special characters with backslashes. Handles newlines, tabs, quotes, and more. 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, Backslash Escape / Unescape runs entirely on your device with no internet connection needed. All processing is done locally.
Escape or unescape special characters with backslashes. Handles newlines, tabs, quotes, and more. 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.