For Facebook: Inject style rule to try to fix missing date (May 22, 2023)

Set 15 pixel height for SVG element inside a span inside a link with role="link". See post no. 1413716#answer-1582013. FBdate

Switch document title in the PDF viewer so last section is first (January 2, 2023)

Click to toggle. See post no. 1400924#answer-1557216. PDFTitle

Toggle labels off/on on Google Maps satellite view (December 4, 2022)

Click to toggle. See post no. 1395283#answer-1552151. GMapLabels

Try to launch MSTeams in app (July 20, 2022)

Sometimes Firefox seems to ignore the hidden iframe that is meant to trigger launching the app. This script tries to load the msteams: URL to trigger opening in-app. See post no. 1383402#answer-1521138. OpenTeams

Sanitize page title so it's a legal Windows file name (probably) (July 2, 2022)

When dragging the lock icon to the desktop doesn't create a proper shortcut. See post no. 1381640#answer-1516440. SaniTitle

Flush out text inputs on all forms in page (June 27, 2022)

When Clear Form / Reset doesn't help, you may need something stronger. See post no. 1379825#answer-1515304. FlushText

Kill console.log (Apr. 14, 2022)

Kill console.log until the page is reloaded. See post no. 1374311#answer-1497537. NoLog

Open current page in a pop-up window (Feb. 7, 2022)

Click to launch a new popup window with the current page URL. See post no. 1367107#answer-1481716. PopThis

Re-title current page/tab (Feb. 2, 2022)

Set a new tab title or "undo" to get back to the last one. See post no. 1366661#answer-1480416. ReTitle

Save PDF Viewer pages to JPEG (January 1, 2019) (updated Oct. 10, 2021)

See Reddit thread How to export pdf as jpg?. PDF 2 JPG

Save PDF Viewer pages to PNG (January 1, 2019) (updated Oct. 10, 2021)

See Reddit thread How to export pdf as jpg?. PDF 2 PNG

Scale page for printing (July 15, 2021)

Set body scaling to work around Firefox 90 print bug. See post no. 1343808#answer-1427945. Scale4Print

Hide Images (Apr. 19, 2021)

Set all images to display:none. See post no. 1333212#answer-1407138. Hide Images

Freeze Marquees (Dec. 7, 2020)

See Reddit thread Freeze Marquees

Expand List Boxes (Dec. 5, 2020)

See ExpandLists

Kill Alt+LeftArrow in the current page (July 10, 2020)

See Reddit thread NoAltLeft

Load "preload" stylesheets now (May 28, 2020)

Some sites try to preload style sheets and that doesn't work in Firefox yet. See post no. 1288658#answer-1316602. LoadSS

Convert Selection Links to Bookmark Export File (April 27, 2020)

See Reddit thread Links2Bmks

Hide Google Results Page Footer (Nov. 23, 2019)

The footer gets huge and blocks the page on movie searches (presumably it's temporary). Click to hide. See post no. 1273539#answer-1268468. GoogleHideFooter

Print all top level frames (Sept. 10, 2019)

Frames do not always print in order. This may work better with print.always_print_silent set to true. See post no. 1268503#answer-1250982. PrtFrames

Reader View Large Font (choices from 32px to 144px) (Sept. 5, 2019; updated Sept. 21, 2019)

See post no. 1267960#answer-1249618.

Using setProperty() method: Read-60 Read-72 Read-84 Read-96 Read-108 Read-120 Read-132 Read-144

Smaller sizes (not needed with Firefox 69.0.1): Read-32 Read-36 Read-40 Read-44 Read-48 Read-54

Load Current URL in Google Docs Viewer - intended for PDFs (June 26, 2019)

See post no. 1263148#answer-1233147. GDocsView

Kill Ctrl+b, Ctrl+i and Ctrl+u on SAAB Central Forum (March 10, 2019)

See post no. 1252519#answer-1204070. SAAB-biu

Override @page{margin} rules (December 9, 2018)

See post no. 1243091#answer-1179748. MarginFix

Normalize spaces in List Item nodes (June 26, 2018)

See post no. 1223100#answer-1127023. NormLI

Unblock Pasting on YouTube (June 7, 2018)

See post no. 1220986#answer-1120362. YTPaste

YouTube Sidebar Scrollable (Mar. 27, 2018)

See What happend to vertical scroll bar for Subscription list on YouTube?. YTScroll

Last 100 Bookmarks "Smart Folder" (Jan. 15, 2018)

See post no. 1199962#answer-1065184. Last 100 Bmks

Other Bookmarks "Smart Folder" for the Bookmarks Toolbar (June 4, 2019)

This versions shows only Other Bookmarks (most recent first) Other Bmks

Preface C:\ Links with file:/// (Jan. 14, 2018)

See post no. 1199682#answer-1065001. fileC

Enable Delete buttons on Bing Activity History (Dec. 10, 2017)

See post no. 1194084#answer-1048263. BingDelBtns

Show viewport dimensions while resizing (Dec. 9, 2017)

See post no. 1193846#answer-1047606. ViewportDims

Export Yahoo Bookmarks from My Yahoo page (Sept. 24, 2017)

See post no. 1176161#answer-1009768. Y!BmkExport

Contains FileSaver.js © 2016 Eli Grey (MIT License).

Apply/remove grayscale filter to page body (July 8, 2017)

See post no. 1167009#answer-984868. GrayTog

Popup Selected Text in a New Tab for Saving (November 23, 2016)

See post no. 1147512#answer-938460. PopSelection

Elevate video in front of obstruction(s) (October 23, 2016)

See post no. 1144152#answer-929429; only works after the ad stops. ElevateVid

Reposition video after ads (October 23, 2016)

See post no. 1144152#answer-929429; has the side effect of pausing the video. ReposVid

Outlook Live OWA "Email Link" Replacement (October 14, 2016)

See post no. 1143156#answer-926979. EmailLink-Outlook

Session Extractor (August 29, 2016)

See post no. 1136583#answer-911290. SessionExtract

Redactor Editor Source Text Wrap (July 31, 2016)

See post no. 1132838#answer-902126 (updated). SourceWrap

Outlook People Fixer (Aug. 16, 2015)

See post no. 1078311#answer-768450. OPeep

Escape from onbeforeunload (Dec. 29, 2013)

See post no. 981475#answer-516884. Escape

Highlight on (Oct. 28, 2013)

See post no. 975584?#answer-494784. To install, drag the desired "button" to your Bookmarks Toolbar:

Hilite-Y (yellow) Hilite-C (cyan) Hilite-G (green)

Hack Vine Video (Oct. 10, 2013)

See post no. 961627?page=2#answer-488527. VineVid

Turn on Spell Check (Oct. 2, 2013; updated Oct. 7, 2013)

Button for Basic Sites (form is not in a frame)

See post no. 971758#answer-485690. SpellYes

Test by clicking in this box, then clicking the button on your Bookmarks Toolbar:

Button for Rich Text Editors (form is in a frame)

See post no. 971758#answer-486709. SpellYes2

Test on this page: TinyMCE - Basic example.

Tumbler Controls (July 9, 2013)

See post no. 964515?page=1#answer-454942. TumBtns