Complete catalog of 141 high-performance developer tools, conversion utilities, security scanners, and async job-based server microservices.
Everyday clean keypad calculator.
Calculate percentages, tips, and discounts.
Body Mass Index estimator with metric/imperial units.
Monthly payment & interest estimator.
Exact age breakdown in years, months, days, hours.
Split bills and tips among multiple people.
Convert between common global currencies.
Instant final price and savings calculator.
Estimate cumulative GPA from course lists.
Annual, monthly, and hourly net pay estimator.
Measure elapsed time between clock times.
Project investment compounding growth.
Power cost estimator based on wattage/usage.
Convert PNG images to optimized JPG.
Convert JPG images to transparent-ready PNG.
Reduce image file size while preserving quality.
Resize images to exact width and height dimensions.
Quick WebP to PNG image conversion.
Crop images with pixel precision.
Remove background colors from images.
Convert images into Base64 data URLs.
Decode Base64 strings into previewable images.
Extract color palettes directly from uploaded images.
Extract text from image files via Tesseract OCR.
One-click rotation and horizontal/vertical flipping.
Minify and clean SVG markup.
Apply custom text or logo watermarks to uploaded images.
Convert Apple HEIC photos to JPG format.
Upload a master PNG/SVG and generate full favicon suite for all platforms.
Rasterize SVG vectors into downloadable high-resolution PNG or JPG images.
Live word, character, sentence, and paragraph counter.
Track characters against custom length limits.
UPPERCASE, lowercase, Title, camelCase, snake_case.
Clean up lists by removing duplicate entries.
Convert written text into spoken audio in browser.
Real-time microphone speech-to-text dictation.
Catch common typos, spelling, and grammar errors.
Generate stylized font text for social bios.
Compare two text documents for wording similarity.
Reverse characters, words, or line order.
Safely encode and decode URL parameters.
Generate placeholder dummy text for designs and mockups.
Preview Google Font combinations side-by-side for header and body text.
Side-by-side visual comparison of two code blocks with highlighted differences.
HEX, RGB, HSL color selection tool.
Extract hex palette details from uploaded images.
Instant HEX ⇄ RGB conversions.
Custom CSS gradient builder with code output.
Custom HSL color sliders & CSS snippets.
One-click cohesive palette generation.
WCAG accessibility compliance checker.
Generate full Tailwind-ready shade scale palettes.
Beautify or minify JSON payloads.
Pretty-print XML documents.
Format and compress CSS markup.
Escape and unescape HTML entities.
Encode and decode URL components.
Encode and decode text using Base64.
Render Markdown text into HTML with preview.
Build common Apache rewrite rules.
Generate customized robots.txt files.
SEO meta and Open Graph tag builder.
Secure password generator with custom rules.
Generate downloadable QR codes for URLs/text.
Generate v4 cryptographically strong UUIDs.
Test regular expressions with live syntax highlighting.
Convert between JSON and YAML syntax.
Decode and inspect JSON Web Token headers, payload, and expiry dates.
Format and clean complex SQL queries.
Visual builder for generating cURL commands from URL, method, headers, and body.
Browser-based fetch client to ping REST endpoints and inspect JSON responses.
Connect to ws:// or wss:// endpoints, send messages, and monitor live event streams.
Generate ready-to-use glassmorphism or neumorphism CSS with live sliders.
Interactive graph to drag and test CSS transition timing functions.
Minify JavaScript code by removing comments and whitespace.
Minify HTML markup by removing comments and collapsing whitespace.
Convert raw SVG markup into React JSX components automatically.
Interactive sliders to generate complex CSS box-shadow values with live preview.
Advanced CSS border-radius builder with per-corner control and live preview.
Visual builder to pick services and generate ready-to-use docker-compose.yml files.
Calculate days, weeks, and months between dates.
Convert timestamps across global timezones.
Real-time countdown timer to specific dates.
Translate cron expressions into plain human readable text.
Convert Unix timestamps ⇄ readable dates.
Structured work/break timer with configurable focus and rest intervals.
Convert tabular CSV data to structured JSON arrays.
Flatten JSON arrays into downloadable CSV tables.
Convert text to synthesized speech.
Text ⇄ Binary conversion.
Text ⇄ Morse code with audio playback.
Decimal ⇄ Roman numerals.
Convert between decimal, binary, hex, and octal.
Drag-and-drop spreadsheet conversion to JSON arrays or CSV.
Generate SQL INSERT statements from JSON arrays or CSV data.
Convert between length, weight, temperature, volume, and speed units.
Standard MD5 checksum generator.
Secure SHA-256 hash generator.
SHA-512 cryptographic hash generator.
Evaluate password entropy and strength.
Generate random alphanumeric strings.
Custom rules password builder.
Secure UUID generation.
Range-based random number generator.
Retrieve public IP address & location info.
Perform live DNS queries (A, MX, TXT, NS, CNAME) for any domain.
Check domain SSL certificate validity, issuer, and expiration date.
Inspect domain registration records, registrar details, and dates.
Create and sign JSON Web Tokens with custom payloads and secrets.
Generate Bcrypt password hashes and verify plain-text against hashes.
Generate RSA public and private key pairs in PEM format.
Calculate IPv4 subnets, CIDR ranges, broadcast addresses, and host counts.
Scan common ports on any IP or domain to check open/closed status.
Check server latency and network routing paths for any domain or IP.
Frequency analysis for keywords in articles.
Inspect title, meta description, and social tags.
Create sitemap.xml files from website URLs.
Preview social card previews (Twitter/FB/LinkedIn).
Check URL formatting and canonical tags.
Estimate page load speeds across 2G/3G/LTE/WiFi.
SEO backlink building suggestions & resources.
Calculate content health scores.
Check indexability readiness.
Convert PDF documents to Word (.doc/.docx).
Export Word files (.docx) to PDF format.
Reduce PDF file size while maintaining readability.
Merge multiple PDFs into a single document.
Split PDF page ranges into separate files.
Inspect and extract .zip archive structures.
Convert Bytes, KB, MB, GB, and TB.
Extract MP3 audio tracks from uploaded videos.
Trim audio files directly with precision start and end markers.
Inspect hidden metadata in photos (GPS, camera model) and strip it for privacy.
Extract every PDF page as high-resolution JPG images.
Convert short MP4/WebM video clips into optimized animated GIFs.
Transcribe speech from audio and video files using AI-powered speech-to-text.
Count tokens accurately using standard tokenizers and estimate API costs.
Structured form with Role, Constraints, Tone, and Output Format fields to compile optimized system prompts.
Convert text strings into vector arrays to visualize embedding data.
Visual builder with dropdowns for style, lighting, camera, and mood to generate AI art prompts.
Visualize how different chunking strategies split documents before vectorization.