CSV viewer
Open or paste CSV and TSV data, review the detected columns and row counts, then search and sort the local table before using it elsewhere.
Use free toolConvert arrays of flat JSON objects into escaped CSV, or parse CSV and TSV rows into formatted JSON that is ready to inspect and edit.
Use the free toolFree browser tool
Your files and inputs are processed locally in this browser and are not uploaded to Hypermatic.
Managing copy across real designs?
This free tool checks one content or localization input. CopyDoc handles the recurring production workflow across Figma designs, spreadsheets, localization files, variables, images, styles, and layouts.
How it works
Choose the conversion direction and paste the source data.
Set the delimiter and review the detected fields.
Copy or download the converted result.
Questions
The focused converter expects a flat array of objects. Nested values are serialized as JSON strings so information is not silently discarded.
CSV fields containing delimiters, quotes, or line breaks are wrapped in quotes, and internal quotes are doubled.
Yes. You can use it without an account or signup, and the result is generated directly in your browser.
Free practical guide
Convert arrays of flat JSON objects into escaped CSV, or parse CSV and TSV rows into formatted JSON that is ready to inspect and edit. This guide explains what the result means, how to avoid the most common interpretation mistakes, and when the related CopyDoc workflow becomes the more practical next step.
Quick answer
Choose the conversion direction and paste the source data. Set the delimiter and review the detected fields. Copy or download the converted result. The tool is free to use without an account, and your files and inputs are processed locally in this browser and are not uploaded to Hypermatic.
Convert arrays of flat JSON objects into escaped CSV, or parse CSV and TSV rows into formatted JSON that is ready to inspect and edit. The immediate result is converted JSON or CSV data. That makes the tool useful when a focused question needs an answer before a file is handed off, a campaign is trafficked, or a production workflow begins.
The scope is intentionally narrow. It is designed for checking one set of strings, localization files, or copy constraints, not for replacing the complete production process. A useful result should make the next decision clearer while leaving the original file, design, or workflow under the user’s control.
Your files and inputs are processed locally in this browser and are not uploaded to Hypermatic. Local processing reduces unnecessary data exposure, but it does not remove the need to follow the privacy, confidentiality, and retention requirements that apply to the source material.
Start with the same input that will be used in production whenever possible. Draft content, substitute files, and approximate dimensions can be useful during exploration, but the final check should use the actual export, final copy, destination, or supported range.
Work through the steps in order and keep the generated result beside the source. If the result identifies a warning, decide whether it is a real production problem, an acceptable tradeoff, or a limitation of a browser-based inspection before changing the underlying work.
A browser tool can make measurable signals visible, but it cannot reproduce every application, platform, rendering engine, policy, or team constraint. Treat the report as evidence for a decision rather than a universal guarantee. The strongest verification is the source content system, linguistic review, runtime placeholders, and the final Figma layouts.
Pay particular attention to edge cases that are easy to miss during a quick check: unusual fonts, long or localized content, hidden metadata, external dependencies, different aspect ratios, browser-specific behavior, and last-minute source changes. Re-run the tool whenever the production input changes materially.
Does JSON-to-CSV support nested objects? The focused converter expects a flat array of objects. Nested values are serialized as JSON strings so information is not silently discarded.
How are commas and quotes handled? CSV fields containing delimiters, quotes, or line breaks are wrapped in quotes, and internal quotes are doubled.
Is the json and csv converter free? Yes. You can use it without an account or signup, and the result is generated directly in your browser.
The free tool is the right choice for a quick individual check, calculation, preview, or template. It remains useful even if the task only occurs once and no broader production workflow is needed.
CopyDoc becomes more practical when the same job turns into syncing, localizing, importing, and updating content across complete Figma designs. At that point, keeping the work close to the Figma source reduces repeated exports, copy-and-paste steps, inconsistent decisions, and handoff drift.
Before adopting any workflow, compare the time spent on the recurring manual process with the setup and review required by the tool. The goal is not to add another application; it is to remove repetitive work while preserving the quality checks that still need human judgment.