All tools
Search and filter across all 108 utilities.
Categories (16)
Showing 24 of 108 tools
.gitignore Generator (50+ Stacks)
Combine Node, Python, Rust, Go, and IDE templates into a clean .gitignore download.
Age & Date Difference Calculator
Calculate exact age or the difference between two dates in years, months, days, hours, and minutes.
API Request Tester (Fetch Client)
Send GET/POST requests from your browser with headers, body, history, and HAR export.
Barcode Generator (Code 128, EAN-13, UPC)
Generate standard retail and inventory barcodes including Code 128, EAN-13, and UPC-A.
Base64 Encoder & Decoder
Encode and decode text, UTF-8 strings, and files to Base64 and URL-safe Base64.
Base64 to Image & Image to Base64
Convert images to Base64 data URIs for embedding in HTML/CSS, or decode Base64 back into image files.
Bcrypt Hash Generator & Verifier — Legacy Password Hashing
Generate standard $2a$ bcrypt password hashes with configurable cost rounds (4-12) and verify candidate passwords. Legacy hashing for existing systems — use Argon2id for new systems.
BMI Calculator (Body Mass Index)
Calculate Body Mass Index (BMI), ideal weight range, and WHO health categories.
Chmod Permissions Calculator
Interactive visual Linux and Unix file permissions calculator, chmod generator, and umask builder.
Client-Side DNS Lookup (via DoH)
Query A, AAAA, CNAME, MX, TXT, and NS records via public DNS-over-HTTPS with DNSSEC validation status.
Color Converter, Picker & Name Finder
Pick colors, identify CSS color names, and convert seamlessly between HEX, RGB, HSL, and CMYK.
Color Palette & Harmony Generator
Generate harmonious color palettes: complementary, analogous, triadic, and monochromatic schemes.
Compound Interest & CD Calculator
Calculate interest on principal and accumulated interest across annual, monthly, or daily compounding intervals.
Compress PDF (Reduce File Size)
Preserves page content and visual layout while rebuilding the PDF.
Content Security Policy (CSP) Generator
Build strict CSP headers with directive toggles, nonce/hash builders, and header + meta exports.
Cron Expression Generator & Explainer
Generate and decipher cron schedules with an interactive builder and human-readable explanations.
CSS Box Shadow Generator
Create smooth multi-layered CSS box shadows, inset lighting, and elevation presets.
CSS Clamp() Fluid Calculator
Calculate fluid typography, fluid spacing, and responsive sizing using mathematical CSS clamp().
CSS Formatter & Minifier
Format CSS stylesheets with standardized indentation or compress rules for production.
CSS Gradient Generator
Design linear, radial, and conic CSS gradients with multi-stop color controls and curated presets.
CSS to Tailwind & JS Object Converter
Convert standard CSS stylesheets and rules into Tailwind CSS utility classes with arbitrary value fallbacks and a v3/v4 output toggle.
CSV & JSON to SQL INSERT Generator
Convert spreadsheet exports to batched SQL INSERTs with delimiter options.