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AWS DynamoDB AttributeValue Marshaler & Unmarshaler

AWS DynamoDB AttributeValue Marshaler & Unmarshaler

Fast
4.95•620K Users•100% Client-Side Privacy
Unlimited Free

Convert AWS DynamoDB raw typed JSON ({ S, N, BOOL, L, M }) into clean JavaScript JSON and back with zero data loss.

S, N, BOOL, L, M unmarshalingNested map & list parsingBidirectional conversionFast local execution

How to Use AWS DynamoDB AttributeValue Marshaler & Unmarshaler

Follow these simple steps to process your files securely in browser memory.

1Step 1 of 3

Paste DynamoDB Raw Item or Plain JSON

Paste raw DynamoDB AttributeValue JSON (e.g. {"id": {"S": "usr_101"}, "age": {"N": "30"}}).

Pro Tip: DynamoDB stores numbers as strings inside {"N": "..."} to preserve arbitrary precision.
2Step 2 of 3

1-Click Unmarshal to Clean JSON

The engine recursively converts type wrappers ({S}, {N}, {BOOL}, {L}, {M}) into standard JSON.

Pro Tip: Instantly turns unreadable DynamoDB stream records into clean, inspectable objects.
3Step 3 of 3

Reverse Marshal Plain JSON to DynamoDB Format

Click "Marshal to DynamoDB" to turn standard JSON back into type-wrapped AttributeValues.

Pro Tip: Essential for testing DynamoDB PutItem and BatchWriteItem API calls in Postman or cURL.

Who Is AWS DynamoDB AttributeValue Marshaler & Unmarshaler Built For?

Designed for professionals seeking fast, private, and unlimited client-side execution.

Primary Target Audience
🎯AWS Backend Engineers, Serverless Developers & Data Leads
Also Widely Used By
Full-Stack DevelopersData Analysts
Typical Real-World Use Cases
  • Converting raw DynamoDB AttributeValue JSON ({ S, N, BOOL, L, M }) into clean plain JSON
  • Marshaling plain JSON into DynamoDB AttributeValue format for PutItem API requests
  • Debugging DynamoDB Streams and Lambda event records in browser memory

Bidirectional Marshal & Unmarshal

Switch between typed AttributeValues and clean JSON in 1 click.

Deep Nested Map & List Recursion

Seamlessly unwraps complex nested NoSQL document schemas.

100% Client-Side Privacy

Safely inspect production database items without data leakage.

Frequently Asked Questions about AWS DynamoDB AttributeValue Marshaler & Unmarshaler

DynamoDB requires attributes to be wrapped in type descriptors: S (String), N (Number), BOOL (Boolean), L (List), M (Map), NULL (Null), SS (String Set).
Top Search Queries for AWS DynamoDB AttributeValue Marshaler & Unmarshaler:
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