Does this tool upload my .env file or validate my credentials?

No. The tool runs entirely offline in your browser; no credentials are uploaded, stored, or validated against external APIs.

What types of secrets can the planner detect?

It identifies database connection strings, API keys, OAuth client secrets, private keys, payment gateway credentials, cloud provider tokens, and encryption secrets.

How does the tool calculate the rotation timeline?

It compares the last-rotated dates against your selected rotation cadence (e.g., 90 days) and groups secrets by exposure risk into a 4-week schedule.

What is a dual-key checklist?

It is a step-by-step workflow for zero-downtime rotation: generating a new key, running both keys concurrently, updating the application, and revoking the old key.

Can I use this tool if my .env file contains comments or export prefixes?

Yes, the parser tolerates comments, quotes, and export prefixes, extracting only the relevant key-value pairs.

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Security

Env File Secret Rotation Planner

Paste a .env file and get a staged secret-rotation plan. Detects database URLs, API keys, auth tokens, private keys, cloud credentials, payment keys and encryption secrets, scores each by exposure and age, and schedules them across a 4-week rotation timeline with a dual-key checklist and a generated .env.example. Optional last-rotated dates and a configurable cadence (30/90/180/365 days) drive compliance scoring.

Details

What this tool helps you do

A secret-rotation planner for DevSecOps, platform and backend engineers:

Paste the contents of a .env file (quotes, comments and export prefixes are tolerated).
The classifier recognises database URLs, API keys, auth tokens, private keys, cloud and payment credentials, encryption secrets, OAuth client secrets, webhooks and SMTP passwords, and suppresses obvious non-secrets like ports and public config.
Each detected secret is scored by exposure (high/medium/low) and by age versus the chosen cadence (30/90/180/365 days).
Secrets are bucketed into a 4-week staged timeline: critical first, then high, medium, and routine, with a due date per item.
A dual-key checklist walks through a zero-downtime rotation (create new -> dual window -> switch -> revoke old -> update metadata), and a generated .env.example blanks out secrets while leaving public config for documentation.

Offline and read-only: nothing is uploaded, and no real credential is validated. Use the output to drive your secrets-manager workflow.

Execution

Run this tool

Fill in the form, run the tool, and review the result in one place.

Prepared example runs

Click an example to fill the form automatically. File inputs still need an upload.

2 examples

A typical .env with mixed secrets

A .env containing a database URL, a Stripe live key, a JWT secret, a GitHub token and some non-secret config, planned on a 90-day cadence.

<div class="sp-wrap">…4 secrets detected, Stripe/GitHub never-rotated -> critical, DATABASE_URL recent -> lower priority, 4-week staged timeline and dual-key checklist…</div>

Clean .env with no secrets

A .env that only exposes ports, hosts and feature flags — the planner reports zero secrets and an on-schedule health badge.

<div class="sp-wrap">…health badge "On schedule", zero secrets detected, .env.example mirrors the public config verbatim…</div>

Inputs

Set the required fields, then run the tool.

6 options

ContentPaste or type the main input values.2

.env file contenttextareaRequiredLast-rotated dates (KEY=YYYY-MM-DD, one per line, optional)textareaOptional

SettingsAdjust formats, ranges, numbers, and modes.2

Rotation cadenceselectOptionalAssume today isdateOptional

TogglesEnable or disable optional behavior.2

Show generated .env.examplecheckboxOptionalEnabled when checkedShow staged timeline (Gantt-style)checkboxOptionalEnabled when checked

Result

Ready for a run

Run the tool to preview files, text, structured data, or streamed output here.

Samples

Env File Secret Rotation Planner

What this tool helps you do

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Prepared example runs

Inputs

Result

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Key facts

Overview

When to use

How it works

Use cases

Examples

1. Staged Rotation for Production API Keys

2. Sanitizing Environment Files for Open Source

FAQ

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