Satinrudder: Auto Scroll
Auto scroll for your browser
Auto scroll at your reading pace. Adjust speed, pause when you need to, and remember a different pace for each site.
Auto scroll for your browser
Auto scroll at your reading pace. Adjust speed, pause when you need to, and remember a different pace for each site.
Calendar planner app
Find free time around appointments and travel buffers. Review calendar imports before applying changes.
Flashcards maker
Add images and audio to study cards, preview imports before saving, and review with spaced repetition.
Website technology detector
A website technology detector with local checks, clear evidence and a report you can copy.
3D modeling & STL
Precise 3D modeling for 3D printing: type sizes, cut holes, check, export STL.
Bookmark manager
A bookmark manager to search saved links, review duplicates, move bookmarks in bulk and undo changes.
Picture in picture for your browser
Picture in picture for focused work: choose a video, adjust its volume and speed, and remember your settings by site.
Pop-up blocker
A pop up blocker for unwanted windows. Check stopped addresses, reopen a window and allow sites from the toolbar.
Authenticator extension for your browser
Authenticator extension for two-factor codes in your toolbar. Add a QR or key, search accounts and keep an encrypted backup.
Checkers and draughts game
Choose familiar rules, challenge the computer or share one board with a friend. Try alternative moves without losing your game.
Custom cursors for your browser
Custom cursors for web pages: 170 original pointers, sizes up to 128 px, any colour, your own PNG or SVG, and a per-site off switch.
Open incognito for your browser
Open incognito windows for pages and links. Keep your original tab and choose an optional site list.
Custom CSS editor
Custom CSS for websites: write your styles, preview edits live, switch them on or off, and import or export local files.
Volume booster & equalizer
Volume booster for every tab: up to 600% without crackle, a 5-band equalizer, balance and mono, and each site keeps its own level.
Web highlighter & notes
Web highlighter with notes: mark text on any page in five colours and find every quote again in one searchable library.
Link grabber & multi-link opener
Link grabber: drag a box over links, check the list, then open them in tabs, copy or bookmark. Or paste a list of URLs to open.
World clock & timezone converter
World clock and time zone converter: pinned cities with day and night, a meeting planner, and times converted from any page.
Font finder & identifier
What font is this? This font finder shows the font really drawn, its size, weight and spacing, and copies the CSS in one click.
User-agent switcher
Switch the user agent for one site or tab: browser and device guises, your own strings, header and page scripts in step.
Tab saver & session manager
Save tabs and windows as named sessions and restore them in one click. Snapshots, Undo, a 30-day trash and backup files.
Enable right click & copy
Allow right click, text selection and copy on pages that block them. Gentle by default, so the rest of the site keeps working.
Stories, people and finds
Explore Bulgaria through 59 narrated stories, 338 historical figures, maps and archaeological finds. Offline on iPhone and iPad.
Video speed controller for your browser
Video speed controller for any video or audio: 0.07–16×, keys that never steal your typing, a speed that holds, per-site speeds.
On-page SEO checker for your browser
On-page SEO checker: title, description, headings, canonical, hreflang, Open Graph, alt text and links. One click, nothing sent.
Image downloader for your browser
Image downloader: finds every picture on the page, filters by real size and saves the ones you pick into a folder you name.
Metro & subway maps for Android
Metro and subway maps for 172 cities, with an offline route planner
Morse code translator for Android
Morse code translator, decoder and trainer: sound, light, vibration. Offline.
Text to speech reader
Read aloud any web page or selection with the voices on your device. The sentence being read glows on the page. Private, offline.
Your voice, in searchable words
Voice recorder that can transcribe audio to text offline. No account, no upload.
Your family history, kept privately
Keep your family history offline with readable charts, relationship paths, GEDCOM files and PDF family records.
Auto clicker for your browser
Auto clicker extension for web pages: pick a button, set the wait, repeat the clicks. Visible while it runs, stops on Esc.
Auto refresh & page monitor
Auto refresh any tab on a timer from 1 second to 24 hours, and get a sound and a notification when the text you wait for appears.
Scientific calculator for your browser
Scientific calculator with an editable tape of every answer, exact fractions, percent, programmer mode and a unit converter.
Screen recorder for your browser
Screen recorder for a window, the screen or, where allowed, a tab. Add microphone and camera bubble, trim, save. No account.
New tab dashboard
A new tab page with a clock, tasks, notes, quick links and your own photos. No account, and nothing leaves your browser.
Sprint stopwatch
Lap timer for coaches: time a whole group, record splits and use a camera gate
Dice roller for Android
Dice roller with 3D dice, coin flip, spin the wheel, teams and cards, offline
PDF tools
Merge PDF files, scan paper, compress to fit a limit, sign and split. Offline
Clear cache & site data
Clear cache in one click for the current site or the whole browser, see what was removed, keep protected sites signed in.
Full page screenshot for your browser
Full page screenshots that reach the very bottom, even inside chats and inboxes. Crop, mark, pixelate, save PNG, JPG or PDF.
Stopwatch, timer & alarm
Stopwatch with laps, several named countdown timers, weekday alarms and a big full-tab view. Rings even with the popup closed.
Dark mode for websites
Dark mode for any website. One click per site, a schedule, brightness and sepia, and images keep their real colours.
Qibla finder for Android
Qibla finder and prayer times with a visible method, Hijri dates, fully offline
Ebook & EPUB reader
Offline EPUB reader for your own books: pace guide and an exact return to place.
BPM & key finder
BPM finder, song key finder and tap tempo for offline music practice.
Calligraphy
Practise calligraphy and brush lettering, then print worksheets for paper.
Dictionary & thesaurus
Offline English dictionary and thesaurus: double-click a word for its definition, synonyms and pronunciation. Private history.
Plan the eclipse from your place
Explore solar eclipses from 2026 to 2046 with local contact times, path maps, a chronometer and observing plans.
See the shade behind your solar estimate
Compare balcony and roof solar layouts with sun paths, shading, typical-year output estimates and exportable reports.
Plywood plans for the workshop
Plan sheet and bar cutting with kerf, grain direction, offcuts and a cut-by-cut workshop sequence.
Pause, resume & search downloads
Download manager in your toolbar: progress, pause and resume, search, type filters, retry, finish sounds. No access to websites.
Browser extension manager
Save a set for each task, preview changes before switching and keep essential extensions on. Pause distractions and restore the previous set.
JSON formatter and viewer
Search nested data, compare files and keep long IDs exact. Convert formats and find invalid fields without uploading documents.
Measure rooms, draw plans, view in 3D
Floor plan app for measured rooms: draw walls, place furniture, view in 3D.
SWR sweeps, Smith chart & cut lengths
Offline antenna modeling with SWR sweeps, a Smith chart and wire cut lengths.
Wallpaper that follows your day
Live wallpaper that follows your day, with calm space left for your icons
Speaker boxes from the response curve
Design sealed, ported, bandpass and passive-radiator speaker boxes with response curves, driver limits, port calculations and exportable panel cut lists.
Beams, trusses & frames, step by step
Beam analysis with step-by-step solutions, trusses, frames and diagrams.
Find your flying window
Plan drone flights with hourly weather, wind by height, Kp and GNSS geometry, checked against your aircraft limits.
Patterns from your measurements
Draft bodice, sleeve, skirt and trouser blocks from your measurements, inspect each construction step and print full-size patterns.
Mazes where each gate turns once
A maze game where each gate turns once. Rethink your route, undo and try again.
Quiz, equations & molar mass, offline
Periodic table quiz, chemical equation balancer and molar mass. Works offline.
Learn backgammon with a coach
Learn backgammon with a coach on every move. Offline, five levels, game review.
Levelling, traverse & COGO, offline
Offline survey field book for levelling, traverse adjustment and COGO.
Eyedropper, contrast checks & palettes
Pick colors from any page, copy HEX/RGB/HSL/OKLCH, check WCAG contrast and keep named palettes. Works offline.
Make and read QR codes, offline
Make QR codes for links, Wi-Fi, contacts and text, and read codes from images and pages. Works offline in your browser.
A1–C2 course & dictionary
Learn Bulgarian from A1 to C2 with an offline course: 665 lessons, 148 reading texts, literature, audio and a 58,000-entry dictionary.
Batch cutouts, no uploads
Prepare photo batches with transparent or white backgrounds. Refine edges before exporting, without uploading pictures.
Remove duplicates, tidy columns
Remove duplicates and tidy columns, then compare changes before exporting. Save your steps to reuse on the next file.
Puzzles from your own word lists
Make puzzles from your own words, choose the difficulty and print the same grid with a separate answer sheet.
Trim, clean up & convert audio offline
Keep the passage you need, remove long pauses and smooth the edges. Convert a queue of recordings without uploading your audio.
SRT and VTT editor
Bring subtitles back in sync, catch hard-to-read lines and preview edits with local video. Save corrected copies in batches.
See every new name before renaming
Preview every new name before applying changes. Organise photos by date taken and music by artist and title.
Single codes, CSV batches & labels
Turn links, Wi-Fi details and contacts into scannable codes. Check CSV batches and reuse partly finished label sheets.
Logic-checked boards, no guessing
Solve logic-verified boards without forced guesses. Follow explained hints and return for a daily challenge.
324 puzzles and a new one each day
Connect every pipe with no open ends. Explore six packs and return for a new puzzle each day.
Jigsaw puzzle game
Turn photos into puzzles with up to 1000 pieces. Use trays and save your progress.
Mahjong solitaire
Unwind with 18 tile layouts and daily deals. Use unlimited hints and undo.
Block puzzle game
Clear rows at your own pace. Try 30 levels, endless play and daily puzzles.
Colour sort puzzle
Relax with 600 levels and daily puzzles. Use hints, unlimited undo and colour patterns.
Get PDFs ready to share, offline
Prepare documents for sharing. Split PDF pages, shrink files and recognise scanned text offline.
Resize, convert & watermark folders
Resize photo folders for shops and websites. Convert images and add watermarks.
Type a shortcut, get the full reply
Save a reply once, type /refund to use it again and fill in the name and amount. No account needed.
Fix PDF line breaks & duplicates
Fix PDF line breaks and duplicate lines. Convert Markdown and preview each edit.
Weekly meals & one shopping list
Plan weekly meals and scale recipes. Shop from one list with totals by aisle.
Offline map, audio & day trips
Discover 27,000 places across Bulgaria with offline maps, audio walks, a day-trip planner and a Bulgarian phrasebook. Available for iPhone, iPad and Android.
Journal, care & training log
Keep rides, care reminders and horse records together in one riding journal.
Controller stick drift test
Test controller inputs, check stick drift and keep evidence of controller condition.
Tides, maps, catch log & spots
Plan fishing trips with feeding windows, tides, weather, saved spots and a catch journal.
Row counter, patterns & yarn stash
Row counter, patterns, charts & yarn stash for knitting and crochet. All free.
Write, check & tailor your CV
Write a CV with a live preview. Check job keywords, save tailored copies and export a PDF.
Bed plans, planting dates & companions
Plan garden beds, companion planting, sowing dates and harvests in one place.
Pressure forecast & pain diary
Record migraine attacks and possible triggers alongside pressure forecasts and PDF reports.
Food scanner & air quality
Check ingredients against your allergen profile and follow pollen and air-quality information.
AI coach, hairline tracker
Track hair changes with photo records and explore a private style guide.
Speed tests, lessons & CPU races
Improve WPM and accuracy with touch typing lessons, CPU races and daily challenges.
Period, ovulation & test scan
A private space for cycle logs, symptoms, notes and pregnancy-test photos.
Checklist, guests & budget
Organise your wedding checklist, guests, budget, vendors and seating plan.
Plan travel, day by day
Plan trips day by day, with saved places, bookings, expenses and packing lists.
Streak counter & private journal
Follow your streaks, record triggers and keep a private journal. Prepare a personal plan for cravings.