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JSON ↔ CSV Email List Converter

Bidirectional JSON ↔ CSV converter for email contact lists. Useful when importing/exporting between tools.

Output
name,email
John,john@example.com
Jane,jane@example.com
What it does

JSON array of objects ↔ CSV with auto-detected columns. Preserves all fields, escapes commas and quotes properly.

When to use

Migrating contact lists between tools that support different formats.

FAQ

What if my JSON has nested objects?+

Nested objects are stringified into single CSV cells. Flatten complex nests before conversion for cleaner output.

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Converter ran. Now track what happens after you hit send.

Most senders convert formatting and move on. Outsolvi tracks what the recipient actually does with that converted email — opens (confidence-scored, not fake), clicks, replies, forwards. From $7/user/mo yearly.

Track the next send

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Nate SummersCo-Founder, Outsolvi

Nate built Outsolvi after watching every email-tracking tool he had ever used lie to him about opens. Outsolvi runs Tier 1 to 5 confidence scoring on every open, native in Outlook and Gmail, so the number on the dashboard is one a rep can actually act on.

Last reviewed May 25, 2026Editorially independent

We update these pages when the underlying mechanics change — new mailbox-provider rules, new tracker behavior, new measurement gaps. The dates above are real revisions, not auto-touches.

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