All Free Online Tools

Generate a 1-line HTML embed code to host Atlas AI tools & bot badge on your website.

Generate QR codes for URLs, text, WiFi, and more. Download as PNG or SVG.

Create strong, secure passwords with custom length and character options.

Format, validate, and minify JSON data with syntax highlighting.

Generate beautiful color palettes from any base color. Copy HEX, RGB, HSL.

Design stunning linear, radial, and conic gradients with live preview. Copy CSS instantly.

Count words, characters, sentences. Analyze readability and keyword density.

Encode text to Base64 or decode Base64 back to text instantly.

Generate SHA-256, SHA-1, SHA-512, and MD5 hashes from any text.

Generate placeholder text for your designs and layouts.

Generate random UUIDs (v4) for unique identifiers.

Convert text between UPPER, lower, Title, camelCase, snake_case, and more.

Convert between length, weight, temperature, and data units.

Write Markdown and see the live preview side by side.

Compare two texts and highlight the differences line by line.

Test regular expressions with real-time matching and group capture.

Decode JSON Web Tokens (JWT) and inspect header & payload instantly.

Analyze word frequency, density, and top keywords in any text.

Encode URLs to percent-encoding or decode them back to plain text.

Paste or upload CSV data. Sort, filter, search, and export to JSON.

Build tables visually and copy clean Markdown. Import existing tables.

Convert numbers between binary, octal, decimal, hex, base32, and base64.

Search and copy emojis. Browse by category and find the perfect emoji.

Convert between HEX, RGB, HSL, and named CSS colors with live preview.

Count words, characters, sentences, paragraphs. Estimate reading time.

Convert JSON arrays to CSV format. Download as .csv file or copy to clipboard.

Convert between Unix timestamps and human-readable dates. Live current timestamp display.

Convert images between PNG, JPG, and WebP. Drag & drop, adjust quality, download instantly.

Jot down ideas, pin important notes, search and export. Auto-saves to your browser.

Pomodoro timer with customizable sessions, break reminders, and daily focus stats.

Convert text into URL-friendly slugs. Perfect for blog posts, product URLs, and SEO-friendly links.

Generate SEO meta tags, Open Graph, and Twitter Cards with a live Google search preview. Copy ready-to-paste HTML.

Check WCAG AA/AAA color contrast ratios for text and UI. Pick colors, see pass/fail instantly.

Design box shadows visually with sliders, layered shadows, and presets. Live preview with instant copyable CSS.

Translate cron expressions into plain English with the next 5 run times. Supports steps, ranges, lists, and @daily shortcuts.

Calculate Linux file permissions — click checkboxes for owner/group/others, get octal (755), symbolic (rwxr-xr-x), and ready-to-run chmod commands.

Convert pixels to rem and back with a configurable root font size, live text preview, and a clickable reference table of common sizes.

Search any HTTP status code — what it means, why it happens, and how to fix it. Covers 1xx–5xx, WebDAV, plus Cloudflare and nginx codes.

Create a favicon from any emoji or letter — pick shape and colors, preview in a browser tab, download a real favicon.ico plus PNG icons.