Encoding & Hashing
Encode, decode, and hash data with free online tools. Convert text to Base64, generate MD5/SHA hashes, and more. All processing is done locally in your browser for complete privacy.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text input instantly.
Runs in your browser — no upload required
Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 strings back to plain text instantly.
Runs in your browser — no upload required
Encoding vs Encryption vs Hashing
These three concepts are frequently confused. Encoding (like Base64) transforms data into a different format for compatibility — it is fully reversible and provides no security. Encryption transforms data using a secret key so only authorized parties can read it — it is reversible only with the correct key. Hashing produces a fixed-size fingerprint of data that cannot be reversed. Each serves a different purpose: encoding for data transport, encryption for confidentiality, and hashing for integrity verification and password storage.
When to Use These Tools
Use Base64 encoding when you need to embed binary data in text formats like JSON, XML, or HTML. Use hash generation to verify file integrity, create checksums, or understand how password hashing works. Developers frequently use these tools when working with APIs, debugging authentication issues, verifying downloads, and building applications that handle encoded or hashed data.
Explore Other Categories
PDF Tools
Free browser-based PDF tools to merge, split, rotate, annotate, and convert PDF files. All processin...
Password Tools
Test password strength and generate secure, random passwords. Our password tools run entirely in you...
Network Tools
Diagnose and analyze network configurations with free DNS lookup and network diagnostic tools. Look ...