JSON Formatter & Validator
Format, validate, and pretty print JSON data structures.
Encode strings or files to Base64 format and decode them back.
Encode developer assets. Convert binary files or plain text strings to Base64 data blocks client-side.
Step-by-step interactive mockup tutorial
Most online base64 encoder/decoder utilities require uploading your files to remote servers, exposing sensitive business or personal data to leakage, and throttle speeds with download queues. Toolchi is different. Most formatter and encoder suites only beautify text. Toolchi is different because it parses syntaxes locally in real-time, displays duplicate JSON key warnings, computes base64 and Gzip compression estimates, and outputs a precise Code Cleanliness Score to guarantee formatting compliance.
Toolchi offers high-performance Developer APIs for this tool's pipeline. Integrate image compression, PDF merge/split, SEO audits, and AI generation programmatically.
Yes, you can upload small files to translate into Base64 data URIs.
Toolchi operations are executed fully in your local browser sandbox. Zero files, strings, or image buffers are uploaded to servers, ensuring complete security.
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Format, validate, and pretty print JSON data structures.
Encode any image file into a Base64 Data URI string.
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Count words, characters, sentences, and paragraphs in your text.