Who is JSONL Lens for?

JSONL Lens is a B2B product built for developers and data professionals using Visual Studio Code.

Yes — there is a free tier, with paid plans for advanced use.

What platforms does JSONL Lens run on?

JSONL Lens runs on the web, Windows, macOS, and Linux.

Is JSONL Lens still active?

Unverified. JSONL Lens has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What are alternatives to JSONL Lens?

Similar projects tracked by PulseGate include JSONL Lens, jsonl-lens, and JSONL Viewer.

Who makes JSONL Lens?

JSONL Lens is developed by Twilight Ventures.

How long has JSONL Lens been around?

JSONL Lens first shipped in 2026.

Back to the index

JSONL Lens

Name: JSONL Lens
Author: Twilight Ventures

visualstudio.comOther dev tools

JSONL Lens is a VS Code extension for viewing large JSON Lines and NDJSON files locally. It provides a virtualized table, schema inspection, whole-file search, record details, and optional Pro filtering, export, statistics, and grid themes for developers and data professionals.

FreemiumWebWindowsmacOSLinux

Visit visualstudio.com

1alternative

10features

2026since

Overview

10 features

JSONL Lens sits in PulseGate's Other dev tools category. It helps developers inspect, search, filter, and analyze large JSONL or NDJSON files without loading them into memory. It is built as a B2B product for developers and data professionals using Visual Studio Code. JSONL Lens follows a freemium model. JSONL Lens is available on the web, Windows, macOS, and Linux.

Twilight Ventures builds and maintains JSONL Lens, and it first shipped in 2026. Among its 10 catalogued features are virtualized table, schema inspection, and whole-file search.

Virtualized table
Schema inspection
Whole-file search
Record details
Regex filtering
JSONL export
CSV export
Exact statistics
Grid themes
Local processing

Built with & integrations

Connectors

vscode

Runs on

BrowserWindowsmacOSLinux

Trust & compliance

Verified signals

HTTPSFree tierStore-verified publisher

Indexing history

What PulseGate has recorded for this listing

Indexed11 Sep · 09:32 UTC
JSONL Lens: JSON Lines and NDJSON Viewer verified via VS Code Marketplace
Source: VS Code Marketplace · Open

Frequently asked questions about JSONL Lens

What is JSONL Lens?: JSONL Lens helps developers inspect, search, filter, and analyze large JSONL or NDJSON files without loading them into memory. It is catalogued under Other dev tools on PulseGate.
Who is JSONL Lens for?: JSONL Lens is a B2B product built for developers and data professionals using Visual Studio Code.
Is JSONL Lens free?: Yes — there is a free tier, with paid plans for advanced use.
What platforms does JSONL Lens run on?: JSONL Lens runs on the web, Windows, macOS, and Linux.
Is JSONL Lens still active?: Unverified. JSONL Lens has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What are alternatives to JSONL Lens?: Similar projects tracked by PulseGate include JSONL Lens, jsonl-lens, and JSONL Viewer.JSONL Lens jsonl-lens JSONL Viewer
Who makes JSONL Lens?: JSONL Lens is developed by Twilight Ventures.
How long has JSONL Lens been around?: JSONL Lens first shipped in 2026.

At a glance

Platforms: Web
Languages: English
First seen: 11 Sep 2026
Built for: developers and data professionals using Visual Studio Code
Model: B2B
Solves: Helps developers inspect, search, filter, and analyze large JSONL or NDJSON files without loading them into memory.

Registered as

VS Code Marketplace: twilightventures.jsonl-lens-viewer

Developer

Twilight Ventures

Index record

Indexed: 11 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 11 Sep 2026

Identity audit (13)

Slug: jsonl-lens-json-lines-and-ndjson-viewer-visualstudio-com
Lifecycle state recorded: 11 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 11 Sep 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Taken from the project's own store listing.
Languages from: Detected by a language model from page content.
Last updated: 11 Sep 2026
Canonical URL: https://marketplace.visualstudio.com/items?itemName=twilightventures.jsonl-lens-viewer

Ship this? Send a correction — no account, and you get a link to follow it.

Similar projects

Closest matches by what these projects do