1. IMAGES & MEDIA
YouTube Thumbnail
Download high-definition thumbnails instantly.
Video Compressor
Compress MP4/WebM videos 100% locally in browser.
Image Compressor
Optimize JPG/PNG files locally without losing quality.
Screen Recorder
Record screen and microphone directly in browser.
BG Remover
Remove image backgrounds using local in-browser AI.
Quick Paste
Hit CTRL+V to export clipboard images into PNG.
2. DESIGN & ART
CSS Shadow & Glass
CSS Box-Shadow & Glassmorphism generator.
WCAG Contrast
Color contrast & WCAG 2.1 accessibility checker.
Color Picker
Eyedropper & Hex/RGB/HSL color code inspector.
Palette Extractor
Extract dominant color swatches from any image.
Gradient Generator
Create beautiful custom CSS gradients in 1 click.
SVG Blob Maker
Generate smooth organic SVG blob shapes.
Image to ASCII
Convert images into retro ASCII text art.
Color Converter
HEX, RGB, HSL, HSV, CMYK converter & harmonies.
Any Converter
Universal in-browser image converter WebP/JPG/PNG.
3. DEV & DATA
JWT Debugger
Decode & inspect JSON Web Tokens safely (100% Client-Side).
cURL Converter
Convert cURL commands to JS fetch() and Python requests.
URL Encode/Decode
Encode/decode URI components and parse query string params.
Cron Generator
Visual cron schedule generator & execution explainer.
JSON Formatter
Validate, prettify, and minify JSON data structures.
Regex Tester
Real-time regex evaluation with match highlighting.
Meta & OpenGraph
Generate SEO & social card meta tags with preview.
JSON <> CSV
Two-way local data converter between CSV and JSON.
SQL Beautify
Format and clean up complex SQL queries.
PX ↔ REM
CSS PX to REM conversion calculator.
Timestamp
Unix Timestamp & Date converter.
Base64 Tool
Encode and decode text or files to Base64 format.
Keycode Info
Real-time JavaScript keyboard event inspector.
Diff Checker
Compare two texts and highlight differences.
CIDR Calculator
IP subnet, mask & host range calculator.
4. TEXT & WRITING
Super Text Tools
Uppercase, lowercase, CamelCase & text cleaner.
Markdown Editor
Write and preview Markdown live with instant export.
Word Counter
Word, character count & reading time stats.
Lorem Ipsum
Custom dummy text generator with paragraph control.
HTML Entity Tool
Escape & unescape special characters and HTML entities.
PDF Binder
Merge and combine multiple PDF files locally.
5. SECURITY & CRYPTO
Password Generator
Cryptographic password generator with entropy meter.
AES Text Encryption
Encrypt and decrypt text messages with password.
Hash Generator
Calculate MD5, SHA-256, and SHA-512 hashes.
Chmod Calculator
Linux file permissions and octal calculator.
The Vault
Military-grade in-browser file encryption (AES-256).
6. OSINT & INVESTIGATION
7. UTILITIES
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★ RECOMMENDED TECH & DEV GEAR
YubiKey 5C NFC
Hardware two-factor security key (USB-C & NFC) for phishing-proof authentication.
The Clean Coder
A code of conduct for professional programmers: craftsmanship, testing, and discipline.
Raspberry Pi 5
Next-gen single-board computer for self-hosting local servers, VPNs, and automation.
ELP USB Vision Camera
High-precision varifocal 5-50mm USB sensor for computer vision, robotics, and forensics.
★ As an Amazon Associate, RetroBox earns from qualifying purchases at no extra cost to you. We only curate equipment we personally use and recommend.
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