Unsupported input
The tool may reject input that does not match the expected content, structure, or file type.
Fix: Confirm the tool input requirements and paste the correct type of data.
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Escape JSON special characters
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Written by Giorgos Kostas. Last reviewed:
JSON (JavaScript Object Notation) is a lightweight, human-readable data format used almost everywhere on the web for APIs, config files, and log output.
JSON Escape is an online tool that helps you escape JSON.
Use it when you need to process JSON quickly and keep the input, output, and controls in the same browser tab.
Start with the JSON input you want to process in JSON Escape.
Get a JSON result from JSON Escape that is ready to review, copy, and reuse in the next step of your workflow.
The tool may reject input that does not match the expected content, structure, or file type.
Fix: Confirm the tool input requirements and paste the correct type of data.
Missing fields or partial content can block processing or produce weak results.
Fix: Provide the full required input before running the tool.
Sample or placeholder values can lead to output that looks valid but is not ready for real use.
Fix: Replace placeholders with your actual values before relying on the result.
Yes. Tabs become \t and the full whitespace structure is preserved on round-trip. Trailing newlines are kept exactly as pasted.
No. Escaping runs entirely in the browser, so secrets, tokens, and credentials you paste to debug never leave your device.
Yes. Escaping and then unescaping the same string with the matching tool returns the original byte-for-byte. If you see drift, the input likely contained already-escaped sequences that are being double-escaped — decode once first.
Yes. Input is treated as UTF-16 code points, so characters outside the BMP (emoji, CJK extensions) escape into the correct surrogate pairs or \uXXXX sequences for the target language.
JSON Escape is a developer utility for reading and editing escaped strings. For production code, always use parameterized queries (for SQL) and context-aware templating (for HTML) — manual escaping is a last resort.
Continue the workflow with related tools for JSON, adjacent input and output steps, or other utilities in the same category. You can also browse the full Escape & Unescape Tools category for more options.
Encode or decode JSON strings
Wrap a raw string in a JSON string literal — perfect for embedding content in a JSON payload
Compare two JSON documents with a structure-aware diff tree, ignore-order options, and JSON Patch (RFC 6902) plus jsondiffpatch delta export
Explore any JSON document as an interactive node-link graph with collapsible nodes, $ref/href detection, and PNG plus DOT export
Test JSONPath expressions against JSON data
Unwrap a JSON string literal back to raw text — reverses JSON.stringify
Encode JSON for URL parameters
Validate JSON syntax and catch parse errors instantly. Paste JSON and get immediate feedback on structural issues, missing commas, and unquoted keys.
View and explore JSON data
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