Generate large ASCII text banners with multiple font styles — perfect for terminal headers and text art. Everything runs locally in your browser — nothing is uploaded.
Convert text to ASCII art with multiple font styles.
Generate common HTTP headers for JSON, REST, and GraphQL APIs with correct Content-Type and authorization patterns. Everything runs locally in your browser — nothing is uploaded.
Generate avatar initials SVG from any name with customizable background color, text color, and size. Perfect for profile placeholders. Everything runs locally in your browser — nothing is uploaded.
Convert text to large ASCII block art, circled bubble text, or math bold. Make your text stand out with big, bold Unicode styles.
Creates stylish Unicode text in 40+ decorative font styles including double-struck, bubble, cursive, gothic, and small caps. Perfect for social media bios, gaming usernames, Discord profiles, and Instagram captions where standard fonts will not render.
ASCII Font Generator lets you generate large ASCII text banners with multiple font styles — perfect for terminal headers and text art. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Generate large ASCII text banners with multiple font styles — perfect for terminal headers and text art. Everything runs locally in your browser — nothing is uploaded. It runs entirely in your browser — no software installation or data uploads required.
Configure your settings below — the output generates instantly.
Yes. After the initial page load, ASCII Font Generator 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. Everything runs locally in your browser — nothing is uploaded.
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.