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About
Konvertio is a collection of free online developer tools that run directly in the browser. The site groups 135+ utilities into categories such as encoders & decoders, formatters & linters, generators, converters, and text tools. It includes common helpers like JSON formatting and validation, Base64 encoding/decoding (including images), JWT decoding and verification, hashing and HMAC generation, AES encrypt/decrypt, regex testing, diff checking, password and token generation, QR and barcode creation, and many data format converters (e.g., JSON ↔ YAML, XML ↔ JSON, CSV to JSON, JSON to TypeScript/Go). The pages emphasize fast access, no signup, and privacy, stating there is no server-side data processing. This makes it suited for quick transformations, checks, and reference tasks during development.
Problem & solution
Problem
Developers need quick, private utilities without installs or signups.
Solution
Browser-based suite of 135+ tools for encoding, formatting, generating, converting.
Who it's for
Developers needing fast online utilities
Main features
- 135+ browser tools
- No signup required
- No server-side processing
- Encoders/formatters/generators
- Converters and text tools
Use cases
- Format and validate JSON
- Decode and verify JWTs
Comments
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