ToolCrispToolCrisp

Converter Tools

12 tools

Encode, decode, and convert between formats like Base64, URL, JSON, and more.

Base64 EncodeJSON FormatterURL EncodeMarkdown to HTMLHash Generator
TEXTBASE64

Base64 Encode

Encode text to Base64 for APIs and configs.

BASE64TEXT

Base64 Decode

Decode Base64 back to readable text.

URLENCODED

URL Encode

Encode special characters for safe URL use.

ENCODEDURL

URL Decode

Decode percent-encoded URLs to readable text.

.MD.HTML

Markdown to HTML

Convert Markdown to clean HTML output.

.CSV.JSON

CSV to JSON

Convert CSV rows into structured JSON objects.

JSON Formatter

Pretty-print and validate JSON instantly.

JSON✓

JSON Validator

Validate JSON syntax and highlight errors.

a1b2c3...

Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes.

JSONMIN

JSON Minifier

Compress JSON by removing all whitespace.

HTML&

HTML Encode

Convert special characters to HTML entities.

&HTML

HTML Decode

Convert HTML entities back to characters.

Frequently Asked Questions

What encoding formats are supported?▾
Base64, URL encoding (percent-encoding), HTML entities, and JSON. Each has dedicated encode and decode tools.
Can I format and validate JSON at the same time?▾
Yes. The JSON Formatter validates your JSON structure and pretty-prints it with proper indentation. If there are errors, it highlights the exact location.
Is my data safe when encoding?▾
Absolutely. All encoding and decoding happens locally in your browser. Your data is never sent to any server.

Common encoding tasks

  • Encode and decode Base64 strings
  • Format and validate JSON data
  • Encode URLs for safe transmission
  • Convert Markdown to HTML preview
  • Generate SHA-256 and MD5 hashes

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