Language Tracker Captions
Lets the Language Tracker study site load YouTube captions through your own browser.
Better Buy Calculator
Compare packets that come in different sizes and different offers. Prices are handled in whole cents, multibuys and bundle prices are folded into the unit price, and mismatched measures are refused rather than fudged.
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Zapazka Lite
Keeps what you type in text boxes, so a crash, a closed tab or an expired session cannot take it. Restore with one click. Never passwords, cards or private windows; nothing leaves your browser.
3D Print Shrinkage Calculator by MakerKiln
Scale your 3D print model so the part comes out the size you drew. Measure a test print or pick your filament. Free, offline.
Peptide Library — Peptide Calculator
Reconstitution and blend calculator with syringe markings, saved presets and optional sync to your Peptide Library account.
Reconstitution Calculator: mg to mL, Dilution
Reconstitution calculator: mg/mL concentration, mcg to mg, mg to mL, C1V1 dilution, molarity and serial dilution. Works offline.
Image Quote Sticker
Select an image to add a random quote sticker and adjust its position and style.
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SEO Link Hygiene Inspe44
Inspect page links for empty targets, fragments, duplicate URLs, nofollow and external links. No external requests.
Limit - Set Livh b
Limit your time spent on distracting sites. Limit is an extension that allows you to set time limits for distracting websites.
Parrot Connector
Lets the Parrot web app reach the book servers you approve, such as your own Storyteller or Audiobookshelf at home. Works only for the Parrot web app; never sends your cookies.
Web Link Previewer
Muestra una ventana flotante interactiva con la vista previa de cualquier enlace al pasar el ratón por encima.
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Spotify Ads Muter Plus
Automatically mutes all types of ads on open.spotify.com, allowing you to enjoy uninterrupted music without distractions
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NEET College Predictor
NEET College Predictor is a valuable tool for NEET aspirants, helping them predict which medical colleges they might be eligible for based on their exam rank. This add-on provides a list of potential colleges tailored to the user's rank.
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Shop Collect
Shopcaiji product collector: capture while browsing, bulk import, and export to Shopify/WP/links.
0 users
Ferna PDF Reader
Read and annotate PDFs in Firefox: fit-to-width pages, smooth word selection (even in LaTeX), figure and table popups, Sinhala support, auto-bookmarks, Xodo-style stylus and a private on-device AI for summaries and quizzes.
QuillPatch
Keeps focus sessions with gentle generated tones and a visible ring.
ElmFilter
Automatically groups related tabs into tidy clusters.
Ambient Background Extractor
Extracts the page's dominant color and applies it as a lightweight theme accent for the browser toolbar.
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BetterKyberna
Vylepšení školního systému kyberny. Poslední změny: 04/01/2026 - Přidána verze pro Firefox
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