Encoding & Crypto Utilities
Base64, URL encode, hashes, JWT, UUID, and lightweight crypto helpers for developers.
⭐ Featured tools
All tools in this collection
Full directoryBase64 Image Encoder
Image ↔ Base64 data URLs
Bcrypt Hash Generator
Generate bcrypt password hashes with cost factor
Crypto Profit Calculator
Buy/sell P&L with fees
CSS Box Shadow Generator
Visual box-shadow editor with CSS output
Egypt ETA Invoice QR Decoder
Decode Egypt tax invoice QR TLV data
HTML Entity Encoder / Decoder
Encode and decode HTML entities safely
JWT Generator (HS256)
Create signed JWT tokens with your secret
Mushaf Page → Surah Finder
Map Madani mushaf page to surah and juz
QR Code Decoder
Read QR codes from uploaded images
Secure Password Hash (PBKDF2)
PBKDF2-SHA256 hash for dev testing
SRI Hash Generator
Subresource Integrity sha256/sha384 hashes
SSL Certificate Decoder
Decode PEM SSL/TLS certificates in browser
Zakat on Stocks & Crypto
2.5% zakat on investments when above nisab
AI Hashtag Generator
Generate trending hashtags for Instagram, TikTok and X
More collections
Free PDF Tools Online
Merge, compress, convert, split, and edit PDF files — 100% free in your browser.
AI Writing & Content Tools
Paraphrase, summarize, translate, write emails, articles, and social posts with Fneno AI.
Free Image Tools Online
Compress, resize, convert, crop, remove background, and edit images — all in your browser.