Free tools by Hidden Problems Lab
35 free and open source tools. No accounts, no tracking, and each one does one job well.
Obsidian plugins 32
- Book LookupCreate book notes from Open Library or Google Books, with cover images, ISBN search and Book Search compatible…
Book StudioTurn notes into a print-ready paperback PDF and an EPUB 3, entirely on your device.
Claude StudioNotion-style AI writing, chat and vault tools powered by your local Claude Code CLI.
Dataview to BasesConvert Dataview queries into Bases blocks, and report which queries in your vault can be converted.
Dice RollsInline dice rolls you click to reroll, in Live Preview and Reading view, with full dice notation, a roll dialog and a…
Emoji SearchInsert emojis from a searchable picker or by typing a :shortcode.
Explorer Colors PlusColor files and folders in the file explorer, with a palette, cascading to children, and import from File Color.
Folder CountsShow how many notes or files each folder holds in the file explorer, with a vault total, file type filters and folder…
Hybrid Line NumbersRelative and hybrid line numbers for Vim-style jumps. A folded section counts as one line, and numbers can turn…
Inline TOCA live, clickable table of contents in any note, or a plain Markdown one that keeps itself up to date and works in…
Line Editing CommandsDuplicate, join, sort, reverse and clean up lines, insert blank lines and jump to a line number, with multi-cursor…- Link Title on PastePastes a bare URL as a Markdown link with the page title, fetched in the background and undone in one step.
List Item CalloutsHighlight single list items as coloured callouts by starting them with a character such as & ! ? or @. Compatible with…
Note Mover RulesMove notes into folders by ordered rules on tags, properties, titles and paths, with a preview before any bulk move.
Note Reading TimeShow how long the current note, or your selection, takes to read, in the status bar, with your own reading speed and…
Quick TranslateTranslate the selection or a whole note into another language with no account, keeping links, code and front matter…
Random Note FiltersOpen or link a random note from a folder, tag, property or the current search results.
Revisit LaterLink the current note into a future daily note, with a date typed in plain English, so it comes back when you want to…
Section NumberingNumbers your headings as an outline (1, 1.1, 1.2), shown on screen without changing the note or written into it, with…
Shared BlocksReuse one block of text in many notes. Edit the block in its source note and every reference re-renders live…
Spreadsheet to TableTable tools for Markdown notes: paste cells from Excel or Google Sheets with a real header row, add, move and delete…
Tab HistoryKeeps each tab's back and forward history across restarts, and adds commands to move, maximize and close tabs.
Task ArchiveMoves completed tasks, with their sub-items, into an archive section or note.
Task RolloverMove the unfinished tasks of your last daily note into today's note when it is created, under a heading you choose…
Text Case and CleanupConverts the selection between upper, lower, title and sentence case, camelCase, snake_case, kebab-case and slugs…
Typography as You TypeConverts quotes to curly quotes, dashes to en and em dashes, and periods to an ellipsis as you type. Substitutions…
Update RadarChecks your installed community add-ons for updates in the background, shows release notes and flags abandoned ones. A…
URL CardsShows web addresses as cards with title, description and image, and reads existing cardlink blocks.
Vim ConfigLoads a vimrc-style file from your vault so your key mappings and editor commands are ready when vim mode starts.
Web Search MenuSearch the web for selected text or the note title from the right-click menu, with engines you define.
Word LookupLook up any word in a sidebar dictionary with definitions, phonetics, synonyms and antonyms, or create a note for it.
Zoom Into SectionZoom into a heading or list item to see only it and its contents, with a breadcrumb bar to climb back out. Works…