1
Read Aloud
readaloud.appAlso covers browser extension
Read Aloud reads webpage content aloud and lists browser extensions for Chrome, Firefox, and Edge.
Alternatives
The Best Smart Upscale Alternatives in 2026
24 alternatives0 free · 9 open source
Looking for something like Smart Upscale? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 9 are open source.
About Smart Upscaletanalin.com/en/projects/smart-upscale
VisitSmartUpscale applies integer scaling to webpage images in Firefox and Chrome to reduce blur on high-density displays.
Top picks at a glance
First suggestionRead AloudRead Aloud reads webpage content aloud and lists browser…Open source optionView ImageView Image restores Google Images’ View Image button and is…Another optionDark ReaderDark Reader adds adjustable dark mode to websites across…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Read Aloud | — | Not stated | Browser extension |
| 2 | Dark Reader | — | Not stated | Browser extension, iOS, Web |
| 3 | Custom Dark Mode | — | Not stated | Browser extension, Web |
| 4 | New Tab Override | — | Not stated | Web |
| 5 | ColorZilla | — | Not stated | Web |
| 6 | Blur Info | — | Not stated | iOS, Web |
| 7 | VsyncTester | — | Not stated | Web, Windows |
| 8 | Auto Tab Discard | — | Not stated | Web |
| 9 | TreeStyleTabs | — | Not stated | — |
| 10 | View Image | — | Yes | Browser extension |
All Smart Upscale alternatives
2
Dark Reader
darkreader.orgAlso covers browser extension · same kind of website
Dark Reader adds adjustable dark mode to websites across Chrome, Firefox, Safari, and Edge.
3
Custom Dark Mode
mybrowseraddon.com/custom-dark-mode.htmlAlso covers browser extension · same kind of website
Custom Dark Mode applies customized dark styles to webpages through a browser add-on.
4
New Tab Override
soeren-hentzschel.at/firefox-webextensions/new…Also covers browser extension · same kind of website
New Tab Override lets Firefox users choose which webpage opens when they open a new tab.
5
ColorZilla
colorzilla.comAlso covers browser extension · same kind of website
ColorZilla provides eyedropper, color picker, color analyzer, and CSS gradient tools for Firefox and Chrome.
6
Blur Info
greasyfork.org/en/scripts/579474Also covers browser extension · same kind of website
Install the Fast.com Info Blur userscript from Greasy Fork to blur information on the speed test page.
7
VsyncTester
vsynctester.comAlso covers browser extension · same kind of website
VsyncTester checks browser vertical synchronization, display refresh behavior, and input lag.
8
Auto Tab Discard
webextension.org/listing/tab-discard.htmlAlso covers browser extension · same kind of website
Auto Tab Discard unloads inactive browser tabs after a specified time to reduce memory use and background activity.
9
TreeStyleTabs
github.com/piroor/treestyletabAlso covers browser extension
Tree Style Tab is a Firefox add-on that displays tabs in a tree, as indicated by the project description.
10
Also covers browser extension · open source
View Image restores Google Images’ View Image button and is available as a Chrome extension, Firefox add-on or userscript.
11
Link Gopher
sites.google.com/site/linkgopherAlso covers browser extension · same kind of website
Link Gopher extracts links and domains from webpages, removes duplicates, and displays the results for copying.
12
Also covers browser extension · open source
Open Multiple URLs is a browser extension for opening lists of URLs and extracting URLs from text, with Chrome and Firefox support.
13
GlobalSpeed
github.com/polywock/globalSpeedAlso covers browser extension
Global Speed sets default playback speed for video and audio in a browser extension available for Edge, Firefox, and Chrome.
14
Stylebot
stylebot.devAlso covers browser extension · same kind of website
Stylebot lets users change webpage colors, fonts, and other styles with a basic editor or custom CSS.
15
Distil
distill.ioAlso covers browser extension · same kind of website
Distill monitors selected webpage content for changes and can send alerts through email, push notifications, or messaging apps.
16
Also covers browser extension · open source
Restyle websites with CSS themes using Stylus, a browser extension listing compatibility with Chrome, Firefox, and Chromium-based browsers.
17
Also covers browser extension · open source
Copycat copies web content and can capture tab titles or links in formats such as plain text; the extension supports Chrome, Edge, and Firefox.
18
Also covers browser extension · open source
Favicon Detector identifies website icons using the parse-favicon library, with support listed for Chrome, Edge, and Firefox.
19
Also covers browser extension · open source
Manage browser tabs with Prune, an extension listed for Chrome, Firefox, and Safari.
20
Broken Link Checker
webextension.org/listing/broken-link-checker.h…Also covers browser extension · same kind of website
Broken Link Checker scans links on the active webpage and checks whether they are broken or redirected.
21
Page Edit
mybrowseraddon.com/page-edit.htmlAlso covers browser extension · same kind of website
Page Edit lets users make a webpage content-editable and modify it through a toolbar popup before saving or printing changes.
22
Also covers browser extension · open source
Auto Tab Discard uses native tab discarding to reduce memory use by inactive browser tabs.
23
Also covers browser extension · open source
Session Alive is designed to keep website sessions active and reduce timeout messages.
24
Also covers browser extension · open source
Re-Start provides a terminal-style browser start page with a task list, quick links, weather summary, and customizable display options.
No alternatives match this filter.
Alternatives to similar tools
Custom Dark Mode24 alternativesCopycat24 alternativesNew Tab Override24 alternativesOpen-Multiple-URLs24 alternativesGlobalSpeed24 alternativesRead Aloud24 alternatives
TopicBrowser Extensions · 193 sites Best-of listBest Free Bookmark Managers for Links You Want to Find Again ListingSmart Upscale details
What is the best alternative to Smart Upscale?
Based on features, tags and platforms, the closest alternatives to Smart Upscale are Read Aloud, Dark Reader, and Custom Dark Mode.
Are there open-source alternatives to Smart Upscale?
Yes: View Image, Open-Multiple-URLs, Stylus, and Copycat.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative