NIFOBS Containers by M IKHLAS
NIFOBS Containers provides isolated Firefox browsing profiles with deterministic per-profile fingerprint data, profile-scoped cookies, flexible transfer formats, and background-managed bulk controls for safer multi-account workflows.
Available on Firefox for Android™Available on Firefox for Android™
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About this extension
NIFOBS Containers manages multiple isolated profiles directly in Firefox. Each profile runs inside its own Firefox container with separate cookies, profile-scoped fingerprint behavior, and isolated operational state to reduce cross-profile session leakage and workflow mistakes.
Version 1.0.7 refines the profile cookie editor, range-operation workflow, and full-data transfer flow by introducing explicit Filter Format validation, deterministic domain-target mapping for header-format payloads, safer save-guard behavior when either the selected format or target domain is ambiguous, cleaner empty-profile handling, a temporary custom-URL override for opening a selected profile range, a dedicated delete-profile-range action that follows the same persistence and Firefox-container cleanup logic as profile deletion, and more predictable import processing through true no-op detection, per-profile change classification, and clearer import summaries.
Key Features:
• Create and manage isolated browsing profiles
• Automatic Firefox container provisioning per profile
• Deterministic per-profile fingerprint identity (User-Agent, Canvas key, WebGL key)
• Profile-scoped fingerprint control with direct on/off interaction from the profile library
• Profile-scoped cookie snapshot, restore, edit, clear, import, and export workflows
• Data Transfer & Backup support with Export All Data and Import All Data actions plus explicit JSON or String format selection
• Bulk per-profile cookie export by visible profile number range with domain filtering and selectable output format
• Exact and grouped cookie filter scopes across cookie management and profile-cookie export workflows without changing the original cookie records
• Detailed cookie format detection in the profile cookie editor for Full Json, Full String, Header Json, and Header String payloads
• Filter Format validation that blocks saving whenever the pasted content does not match the selected cookie editor format
• Safe header-format save flow that requires a deterministic exact or grouped target domain and blocks ambiguous All-domain saves
• Empty-profile cookie editing flow that seeds domain filter targets from the profile URL so header-only payloads can still be mapped safely
• Unified domain import flow with automatic payload detection plus explicit inline conflict handling for existing domains
• Import result classification for unchanged, added, updated, and removed profiles during full-data restore
• Skip-restore behavior for unchanged imported profiles so repeated backups do not trigger unnecessary container cookie restoration
• Detailed import notifications that report what changed instead of relying on generic success messages
• Open all profiles, open profiles by numeric range with optional temporary custom URL override, close profiles by numeric range, and delete profiles by numeric range
• Background-managed control operations for reliable long-running actions
• Real-time progress and stop handling for background operations
• Profile reset action for returning a profile to a clean working state
• Manual cleanup control for resynchronizing Firefox containers against the NIFOBS Profile Library
Version 1.0.7 refines the profile cookie editor, range-operation workflow, and full-data transfer flow by introducing explicit Filter Format validation, deterministic domain-target mapping for header-format payloads, safer save-guard behavior when either the selected format or target domain is ambiguous, cleaner empty-profile handling, a temporary custom-URL override for opening a selected profile range, a dedicated delete-profile-range action that follows the same persistence and Firefox-container cleanup logic as profile deletion, and more predictable import processing through true no-op detection, per-profile change classification, and clearer import summaries.
Key Features:
• Create and manage isolated browsing profiles
• Automatic Firefox container provisioning per profile
• Deterministic per-profile fingerprint identity (User-Agent, Canvas key, WebGL key)
• Profile-scoped fingerprint control with direct on/off interaction from the profile library
• Profile-scoped cookie snapshot, restore, edit, clear, import, and export workflows
• Data Transfer & Backup support with Export All Data and Import All Data actions plus explicit JSON or String format selection
• Bulk per-profile cookie export by visible profile number range with domain filtering and selectable output format
• Exact and grouped cookie filter scopes across cookie management and profile-cookie export workflows without changing the original cookie records
• Detailed cookie format detection in the profile cookie editor for Full Json, Full String, Header Json, and Header String payloads
• Filter Format validation that blocks saving whenever the pasted content does not match the selected cookie editor format
• Safe header-format save flow that requires a deterministic exact or grouped target domain and blocks ambiguous All-domain saves
• Empty-profile cookie editing flow that seeds domain filter targets from the profile URL so header-only payloads can still be mapped safely
• Unified domain import flow with automatic payload detection plus explicit inline conflict handling for existing domains
• Import result classification for unchanged, added, updated, and removed profiles during full-data restore
• Skip-restore behavior for unchanged imported profiles so repeated backups do not trigger unnecessary container cookie restoration
• Detailed import notifications that report what changed instead of relying on generic success messages
• Open all profiles, open profiles by numeric range with optional temporary custom URL override, close profiles by numeric range, and delete profiles by numeric range
• Background-managed control operations for reliable long-running actions
• Real-time progress and stop handling for background operations
• Profile reset action for returning a profile to a clean working state
• Manual cleanup control for resynchronizing Firefox containers against the NIFOBS Profile Library
Rated 5 by 1 reviewer
Permissions and data
Required permissions:
- Clear recent browsing history, cookies, and related data
- Access browser tabs
- Access your data for all websites
Optional permissions:
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.0.7
- Size
- 155.9 KB
- Last updated
- 2 days ago (Mar 28, 2026)
- Related Categories
- License
- All Rights Reserved
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
- Add to collection
Technical Details:
• Uses Firefox contextualIdentities for container isolation and stores all data locally in browser.storage.local.
• Deterministic profile fingerprinting keeps User-Agent, Canvas, and WebGL behavior stable per profile.
• Supports JSON and String backup formats plus a dedicated Export Profile Cookies workflow.
• Cookie tools use consistent grouped/exact domain filtering, adaptive import handling, and explicit conflict resolution.
• The cookie editor recognizes Full Json, Full String, Header Json, and Header String, and blocks saves when the detected input does not match Filter Format.
• Header-format parsing uses one shared detection path, and the background script rejects mismatched or ambiguous save requests.
• Empty cookie stores seed the domain filter from the profile URL for deterministic header-only mapping.
• Full-data import classifies unchanged, added, updated, and removed profiles, skips true no-op imports, and restores cookies only for added or updated profiles.
• Import notifications report detailed outcome counts instead of generic success messages.
• Export output is structured by profile number and name, uses standardized filenames, supports clipboard copy, and auto-disables when nothing matches.
• Range open supports a temporary custom URL; close-range and delete-range reuse the same shared modal with mode-specific validation.
• Cookie restore and edit preserve domain and scope and prevent revival of expired cookies.
• Delete-profile-range follows the same persistence and container cleanup path as manual delete and delete-all.
• Shared helper usage was tightened by moving profile sorting into shared-utils and removing redundant wrapper layers.
• Request rewriting and spoofing safeguards were hardened, including safe payload escaping, retry capping, and deduplicated User-Agent handling.
• Early-session profile lookup falls back to container identity; corrupted profiles are skipped during load.
• Profile creation is unified for single and batch flows, and long-running control operations run in the background.
• All operations are client-side only, with no telemetry or remote processing.
• Requires storage, tabs, cookies, browsingData, contextualIdentities, webRequest, and webRequestBlocking.
• Compatible with Firefox 140+ desktop and 142+ Android.
Source code and build instructions are included in the submitted source archive for reviewer verification.