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Browser Extensions · head to head

Mercury Reader vs Nimbus Screenshot

M

Mercury Reader

Browser Extensions

Clear clutter from articles instantly

From
Free
Rated
-
Full reviewWebsite
Nimbus Screenshot logo

Nimbus Screenshot

Browser Extensions

Screen capture and video recording

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Mercury Reader mercury Reader's underlying engine (Postlight Parser) is free open source software licensed under Apache License 2.0, per the GitHub repository, with no paid tier; Nimbus Screenshot nimbus Web has rebranded to FuseBase; nimbusweb.me now redirects to thefusebase.com, and the screenshot tool sits inside a broader client portal and AI workspace product
  • They diverge on capability: Mercury Reader covers Content extraction, Nimbus Screenshot covers Full page capture.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Mercury Reader and Nimbus Screenshot actually diverge.

Attributes where Mercury Reader and Nimbus Screenshot differ
AttributeMercury ReaderNimbus Screenshot
Pricing modelfreefreemium
PlatformsChrome, Firefox, EdgeChrome, Firefox, Edge, Opera
Founded20152014

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Browser Extensions).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Mercury Reader

  • Content extraction
  • Clean reading view
  • Custom themes
  • Font customization

Only in Nimbus Screenshot

  • Full page capture
  • Area selection
  • Annotation tools
  • Video recording
  • Opera support

Both cover

  • Chrome support
  • Firefox support
  • Edge support

What people use each for

The jobs each tool is most often brought in to do.

Mercury Reader

No use cases recorded yet. See the Mercury Reader review.

Nimbus Screenshot

  • Capturing full page and partial browser screenshotsnot Mercury Reader
  • Recording screen video from a browser tabnot Mercury Reader
  • Annotating captures before sharing themnot Mercury Reader

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Mercury Reader

  • Mercury Reader's underlying engine (Postlight Parser) is free open source software licensed under Apache License 2.0, per the GitHub repository, with no paid tier

Nimbus Screenshot

  • Nimbus Web has rebranded to FuseBase; nimbusweb.me now redirects to thefusebase.com, and the screenshot tool sits inside a broader client portal and AI workspace product
  • No Nimbus-branded pricing, plan or storage limit remains published at the original domain
  • The destination product is positioned around client portals, AI agents and project management rather than a standalone screenshot extension

Pricing, plan by plan

Mercury Reader

Free
  • FreeFree
    • Clutter removal
    • Clean reading
    • Custom themes

Nimbus Screenshot

Free
  • FreeFree
    • Screenshot capture
    • Basic annotation
    • Cloud storage

Which should you pick?

Choose Mercury Reader if

  • You need content extraction.
  • You want to start without paying.
  • You work on Chrome, Firefox, Edge.
  • You also want clean reading view.
Mercury Reader review

Choose Nimbus Screenshot if

  • You need full page capture.
  • You want to start without paying.
  • You work on Chrome, Firefox, Edge, Opera.
  • You also want area selection.
Nimbus Screenshot review

Questions people ask

Is Mercury Reader or Nimbus Screenshot better?
Neither clearly leads. Mercury Reader starts at Free and Nimbus Screenshot at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Mercury Reader or Nimbus Screenshot?
Mercury Reader starts at Free and Nimbus Screenshot at Free.
Does Mercury Reader or Nimbus Screenshot run on more platforms?
Mercury Reader runs on Chrome, Firefox, Edge. Nimbus Screenshot runs on Chrome, Firefox, Edge, Opera.
Can I use Mercury Reader for free?
Both have a free tier, so you can try either at no cost before committing.
What can Mercury Reader do that Nimbus Screenshot cannot?
Mercury Reader covers Content extraction, Clean reading view, Custom themes, Font customization. Nimbus Screenshot covers Full page capture, Area selection, Annotation tools, Video recording. Both handle Chrome support, Firefox support, Edge support.

Answered from the vendors’ own pages

Nimbus Screenshot: What is the pricing for FuseBase's Solo plan?

The Solo plan is free to start, includes a 14-day trial, and provides 1,000 AI requests, 1 portal, 1 client, 1,000 automation runs, and 5 hours of transcriptions per month.

Source
Nimbus Screenshot: What tiers does FuseBase offer?

FuseBase offers Solo (free), Essentials, Advanced (most popular), and Unlimited (custom pricing) plans. All paid plans include a 14-day free trial.

Source
Nimbus Screenshot: What do I get with FuseBase's Advanced plan?

The Advanced plan includes 50,000 AI requests, 100 portals (or unlimited with contact), 1,000 clients, 50,000 automation runs, 300 hours of transcriptions, granular permissions, and white-label capability. Exact pricing requires checking or contacting for current rates.

Source
Nimbus Screenshot: Can I pay annually for FuseBase and get a discount?

Yes. FuseBase offers annual billing options with discounts compared to monthly payments. Upgrades charge immediately while downgrades apply at the end of your billing cycle.

Source
Nimbus Screenshot: What add-ons are available for FuseBase?

FuseBase offers paid add-ons including extra automation runs (1,000/month), additional client portals, transcription hours (20/month), and per-user FuseBase AI costs.

Source
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