Data Converters & Encoders – Base64, URL, JWT & More

7 tools

Encode, decode, and convert data between formats. Tools for Base64, URL encoding, JWT decoding, JSON to TypeScript, binary text, and Unix timestamp conversion.

Free Converters Tools

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Base64 Encoder & Decoder

Encode text, images, and files to Base64 or decode Base64 strings instantly. Supports data URI generation. All processing is…

  • File & Text Support
  • Data URI Output
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URL Encoder & Decoder

Encode or decode URLs and query strings using RFC 3986 percent encoding. Handles special characters, Unicode, and reserved…

  • RFC 3986 Compliant
  • Unicode Support
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JWT Encoder & Decoder

Encode, decode, and verify JSON Web Tokens with HMAC SHA-256/384/512 signature support. Validates exp, nbf, and iat claims —…

  • Signature Verification
  • Claims Validation
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JWT Debugger

Decode JWT tokens instantly. Inspect headers, payload claims, and signatures. Verify HMAC signatures in-browser with live expiry…

  • In-Browser Signature Verification
  • Live Expiry Countdown
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Timestamp Converter

Convert Unix timestamps to human-readable dates and ISO 8601 format. Supports milliseconds and timezone conversion for developers.

  • Auto-Detection
  • Timezone Support
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JSON to TypeScript Converter

Convert any JSON object to TypeScript interfaces instantly. Handles nested objects, arrays, optional fields, null values, and…

  • Deep Nesting
  • Union & Optional Types
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Binary to Text Converter

Convert binary (0s and 1s) to readable ASCII or UTF-8 text instantly. Auto-detects encoding and handles large binary strings…

  • Auto Encoding Detection
  • Large Input Support
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Free Converters Tools — No Login, No Install

Encode, decode, and convert data between formats. Tools for Base64, URL encoding, JWT decoding, JSON to TypeScript, binary text, and Unix timestamp conversion. Every tool in this converters collection runs entirely in your browser using client-side processing — no account required, no file uploads to a server, and no data leaves your device.

This collection includes 7 free converters tools: Base64 Encoder & Decoder, URL Encoder & Decoder, JWT Encoder & Decoder, JWT Debugger, Timestamp Converter, JSON to TypeScript Converter, and Binary to Text Converter. Each tool is built for speed — results appear instantly without waiting for server round-trips or signing up for an account.

All converters tools are free with no usage limits. Whether you are a developer automating a workflow, a designer checking output, or a non-technical user who needs a quick result, each tool in this category is designed to work without any configuration or documentation.