#308 · Developer Tool

Postman Collection Viewer

Displays a readable tree and summary of folders, requests, methods, URLs, scripts, and variables in a Postman collection. Paste a representative sample, run the parser, and inspect both the copy-ready result and the supporting counts. Nothing is uploaded. Validation errors stay tied to the supplied text, so malformed input can be corrected before the result is reused in documentation, tests, or a client implementation.

Developer Input

Postman Collection v2 JSON
Ad space

How to use this developer tool

  1. Paste postman collection v2 json or load the built-in sample.
  2. Check the expected syntax and remove credentials that should not appear in output.
  3. Select View Collection or press Ctrl/Cmd + Enter.
  4. Review the summary, counts, and interpretation before copying or downloading.

What this developer tool does

Displays a readable tree and summary of folders, requests, methods, URLs, scripts, and variables in a Postman collection.

The parser validates the outer syntax first, then applies recursive folder traversal and builds a deterministic result from the supplied text.

The output is intended as a working artifact, not proof that a remote endpoint or signature is valid.

Example

Load the sample to see a realistic postman collection v2 json. The generated result includes requestcount and foldercount, matching the values shown in the output panel.

{"info":{"name":"Users API","schema":"https://schema.getpostman.com/json/collection/v2.1.0/collection.json"},"item":[{"name":"Users","item":[{"name":"List users","request":{"method":"GET","url":{"raw":"https://api.example.com/users","host":["api","example","com"],"path":["users"]}}}]}]}

Use cases

  • Prepare API documentation during a code review.
  • Inspect an unfamiliar integration payload before writing client code.
  • Create a checked, copy-ready artifact for tests or issue reports.
  • Compare exported configuration with the behavior expected by a team.

Tips for reliable output

  • Use a representative sample rather than a heavily shortened fragment.
  • Remove live tokens, secrets, and personal data before pasting.
  • Keep original field names and letter case.
  • Read the interpretation message before using downloaded output.
  • Test unusual null, array, and Unicode values when the format supports them.

Processing details

All parsing and generation runs locally with standard browser JavaScript. The implementation uses explicit syntax checks and produces stable text for the same input.

Only Collection v2-style JSON is supported. The viewer does not execute requests or resolve every dynamic variable.

Frequently asked questions

What input does the Postman Collection Viewer accept?

Paste the raw format shown in the sample. The parser reports malformed JSON or missing required fields instead of guessing.

Does the Postman Collection Viewer send data to an API?

No. Processing runs in the browser and the core function makes no network request.

Can I use the generated output in documentation?

Yes. Copy or download the result, then review placeholders and project-specific details before committing it.

How does it handle invalid input?

It stops with a specific validation message and leaves no partial result in the output panel.

What are the main limitations of this parser?

Only Collection v2-style JSON is supported. The viewer does not execute requests or resolve every dynamic variable.

Output reference

ItemMeaning
SummaryHigh-level processing outcome
MetricsRequestCount and FolderCount
Download.txt copy of the visible output

API & GraphQL Tools

Browse parsers, generators, request helpers, webhook utilities, and GraphQL inspection tools in this category.

Open category hub