Online Developer Tools & Text Utilities

Frequency analysis of words, bigrams, and trigrams. Smart filtering of stop-words and easy one-click export to Google Sheets.

Clean up double spaces, format non-breaking spaces and smart quotes, and convert between Markdown and HTML with visual live preview.

Create customizable QR codes instantly. Choose custom colors, change error correction, and download high-resolution PNGs.

Generate highly secure passwords with visual strength feedback, customized characters, and multiple bulk selection options.

Generate professional barcodes in multiple formats: CODE128, EAN-13, EAN-8, UPC-A, Code39. Instant preview and PNG download.

Generate continuous sound tones. Customize frequency, waveform, and volume. Live visualizer and quick presets.

Generate secure v4 and v1 UUIDs/GUIDs in bulk. Customize casing, hyphens, and curly braces. Instant copy options.

Real-time Unix timestamp ticker, bidirectional epoch & date converter, timezone timeline slider, and code helper.

Interactive visual Cron expression generator. Get human language descriptions and glowing neon trigger timelines.

Visual IPv4 subnet calculator with bidirectional 32-bit interactive binary bit-toggling grid, CIDR slider, detailed network stats, and VLSM network splitter.

Secure cryptographic hash generator with simultaneous multi-hash grid (MD5, SHA-1, SHA-256, SHA-512, HMAC), Base64/Hex encoding, ROT13, and interactive Caesar cipher.

Generate clean placeholder text, cursive styles, bold fonts, and random words instantly.

Calculate aspect ratio of images, screens, and videos. Scale resolutions with preserved proportions and check popular presets in real time.

Select colors, convert between HEX, RGB and HSL, and generate beautiful color schemes and palettes.

Format and beautify your SQL queries, convert keyword cases, and validate basic syntax.

Encode text to Base64 format or decode Base64 back to human-readable text.

Format, beautify, validate and minify JSON data with custom indentation in real-time.

Encode text to URL-encoded format or decode it back to plain text.