Encoding & Hashing Tools
Base64 encode/decode, hash validation, checksum computation. All tools run in the browser. No signup required.
Main tools
- Base64 Encoder / Decoder— Encode text to Base64 and decode Base64 to text.
- Checksum Checker— Compute MD5, SHA-1, SHA-256. Verify against expected hash.
- Hash Validator— Validate MD5, SHA-1, SHA-256 format. Auto-detect algorithm.
Error guides
Step-by-step guides to fix common encoding errors.
Related tools
- JSON Validator — validate JSON (often used with Base64 payloads)
- Secrets Scanner — detect API keys, tokens in text
FAQ
- What characters are valid in Base64?
- A–Z, a–z, 0–9, +, / and = for padding. Use our Base64 tool to validate.
- How do I fix invalid Base64?
- See our Base64 Invalid Input guide.