Working utility
FILE NAMING
Batch File Renamer
Find and replace text, add prefixes or numbering, then download renamed copies in one ZIP.
- Preview every new name
- Add prefixes, suffixes or numbers
- Keep original files untouched
109 focused utilities
Find the right tool for the job.
Browse paid Windows tools for files, PDFs, photos, music and publishing. Every utility is $3.99.
109 paid utilities $3.99 each Secure checkout where available
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Describe the job in plain English—for example, resize photos, record your screen, or calculate selling profit.
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Tools for what you want to do.
Every utility is a paid Windows product priced at $3.99. Each program links to its Payhip checkout.
Creator Tools
Creator Tools
Tools organized for Etsy, eBay, Shopify, TikTok, Amazon, Facebook and Instagram.
Choose a selling or social platform, then browse only the tools made for it.
Open Creator ToolsFiles & Folders
Files & Folders
Rename, compare and organize your files with a clear preview.
Working utility
FILE SORTING
File Organizer
Preview where files will go, then download an organized ZIP without changing your originals.
- Group by type or modified year
- Preview ZIP folder names
- Keep original files untouched
Working utility
FOLDER CHECK
Folder Compare
Compare paths and file contents to find missing, changed and identical files.
- Compare complete folder contents
- Check matching files by content
- Download a CSV report
General Creation Tools
General Creation Tools
Prepare captions, chapters and media files for publishing.
Working utility
CAPTION WORKFLOW
Caption Cleaner
Wrap caption lines, review timing overlaps and edit every cue before download.
- Open SRT or WebVTT
- Wrap text and resolve overlaps
- Export SRT or WebVTT
Working utility
VIDEO & PODCAST CHAPTERS
Chapter Builder
Play audio or video, mark topic changes and copy timestamps into your description or notes.
- Mark chapters at the playhead
- Edit titles and times
- Copy or download chapter list
Working utility
SCRIPT LENGTH CALCULATOR
Okapi Script Timer
Paste a script, choose a speaking pace and see its word count, estimated recording time and paragraph-by-paragraph timing.
- Word and character counts
- Adjustable speaking pace
- Paragraph timing breakdown
Working utility
CREATOR TELEPROMPTER
Okapi Teleprompter
Open or drag in a script, set a comfortable reading pace and use full-screen or mirror mode when you are ready to present.
- Open or drag in TXT scripts
- Adjust scrolling speed and text size
- Pause, resume, use full screen or mirror mode
Working utility
PUBLISHING CHECKLIST
Upload Preflight
Inspect a recording, collect its title, thumbnail and captions, and save a preparation report.
- Inspect playback, duration and video size
- Check title and optional assets
- Download a plain text report
Music Making Tools
Music Making Tools
Make beats, practice an instrument and work with audio or MIDI.
Working utility
MUSIC LISTENING PRACTICE
Ear Trainer
Hear a question, choose your answer or play it on a MIDI keyboard, and progress through three levels.
- Identify notes, intervals and chords
- Replay each question as often as needed
- Answer with buttons or a MIDI keyboard
Working utility
PREMIUM MIDI PLAYER
MIDI Player Plus
Practice one song or load a folder of up to 50 MIDI files for sequential or random playback, with an 88-key note display.
- Load one MIDI file or a 50-song folder
- Play playlists sequentially or randomly
- Send playback to a connected MIDI piano
Working utility
AUDIO TRANSCRIPTION
MP3 to MIDI
Transcribe a clear melody or instrument recording, correct notes in a piano roll, and download a standard MIDI file.
- Transcribe pitched MP3 or WAV audio
- Move, resize and add notes
- Export an editable MIDI file
Working utility
EASY DRUM MACHINE
Okapi Beat Box
Create drum beats with seven kits, copy patterns as your song grows and export the finished rhythm as a WAV file.
- Six instruments and seven drum kits
- Eight patterns with copy, fills and Song Mode
- Save projects and export standard WAV files
Working utility
MIDI CHORD TRAINER
Okapi Chord Coach
Practice chords by key, type or progression while chord names descend in time with an adjustable beat-based lesson.
- Three-note and four-note chord lessons
- Root position and inversion training
- Hear chords, load progressions and track accuracy
Working utility
GUITAR TUNING TOOL
Okapi Guitar Tuner
Tune by microphone or reference tone with a large flat, sharp and in-tune display.
- Automatic note and string detection
- Standard and alternate tunings
- Reference tones for tuning by ear
Working utility
MIDI KEYBOARD UTILITY
Okapi MIDI Controller
Connect a MIDI keyboard to hear six sounds, watch incoming messages, assign its controls, and send MIDI to another port.
- Six playable instrument sounds
- Assign knobs and sustain pedal
- Monitor and route MIDI messages
Working utility
MIDI PERFORMANCE RECORDER
Okapi MIDI Recorder
Record performances from a keyboard, digital piano or other MIDI instrument, then review, transpose, loop and save the song.
- Live treble-and-bass notation and 88-key display
- Transpose, full-song looping and section looping
- Save standard MIDI and MusicXML files
Working utility
CHORDS & RHYTHM
Okapi Music Toolbox
Four music tools together: transpose a chord chart, identify chords from notes, estimate a recording’s tempo and practice with a click metronome.
- Transpose chord symbols into a new key
- Find chord names from selected notes
- Estimate BPM and practice with a real click sound
Working utility
MIDI SIGHT-READING TRAINER
Okapi Piano Sight Reader
Practice treble, bass or grand staff at three levels while notes move toward the play line and your connected MIDI instrument supplies the answer.
- Treble, bass and grand staff practice
- Reference tone with immediate MIDI feedback
- Adjustable movement speed from 50% to 500%
Working utility
MIDI SCALE TRAINER
Okapi Scale Coach
Practice eight scale families in all 12 keys while notes descend on a real treble-and-bass stave and your connected MIDI instrument supplies the answer.
- Eight scale families in all 12 keys
- Falling treble-and-bass stave with MIDI feedback
- Random note drills and 50%–3000% speed control
Coming soon
SONG ANALYSIS & SUNO PROMPTS
Okapi SongBlueprint for Suno
Analyze a local audio file for tempo, tonal center, energy and sound texture. Add listening notes about style, instruments, vocals and lyrics, then build and copy an editable Suno prompt.
- Estimate BPM, key and audio texture in your browser
- Add genre, instrument, vocal and lyric notes
- Build and copy an editable Suno Styles prompt
Working utility
PIANO PRACTICE TOOL
Piano Practice Partner
Choose a part from a MIDI song, work through short sections and see correct, wrong and skipped notes as you play.
- Connect a MIDI keyboard
- Practice a song in short sections
- Try the demo with onscreen keys
Working utility
AUDIO PRACTICE TOOL
Song Looper
Load an audio file, mark the start and end of a difficult passage, and loop it at a comfortable speed.
- Mark an A–B loop on a recording
- Change speed from 50% to 150%
- See and seek through the waveform
Working utility
AUDIO PRACTICE MIXES
Vocal Remover & Drum Extractor
Reduce centered vocals in a stereo song or estimate its percussive sounds, then preview and download a WAV file.
- Reduce centered vocals from stereo audio
- Estimate a percussive track
- Preview and save a WAV locally
PDF Create & Edit
PDF Create & Edit
Arrange pages, scan, fill forms, convert files and print booklets.
Working utility
PDF PRINTING UTILITY
BookletAgent
Turn an ordinary PDF into correctly ordered booklet pages for simple front-and-back printing.
- Handles page order automatically
- Creates separate Fronts and Backs files
- Designed for standard home printers
Working utility
AUDIOBOOK PREPARATION
Document Cleaner
Keep the story while removing front matter, page numbers, repeated headers, notes and references.
- Opens PDF, EPUB, Word and TXT files
- Preview, edit and restore the original
- Built into AudioBook Maker Pro
Working utility
PHOTO TO PDF
Images to PDF
Arrange photos or screenshots and put each on its own PDF page.
- Reorder JPG and PNG files
- US Letter, A4 or image sized pages
- Set printable margins
Working utility
FILE CONVERSION
PDF Converter
Save PDF pages as PNG images, or make a plain text PDF from TXT or DOCX.
- Export PDF pages as PNG in a ZIP
- Convert TXT to PDF
- Extract DOCX text into a basic PDF
Working utility
PDF FORMS
PDF Form Studio
Fill existing PDF text fields and add a new editable text field to a page.
- Fill existing text fields
- Add a new editable field
- Download the completed form
Working utility
PDF PAGE EDITOR
PDF Page Manager
Combine PDFs, put pages in order, rotate them and save the pages you want.
- Combine multiple PDF files
- Reorder and rotate individual pages
- Remove pages before saving
Working utility
SCANNED PDF OCR
Scan to Searchable PDF
Read English text in scanned pages and add a searchable layer to the PDF.
- Keep the original page images
- Search and copy recognized text
- Review OCR results after saving
Photos & Images
Photos & Images
Resize and convert pictures, and mark up screenshots.
Working utility
PHOTO SIZING
Batch Photo Resizer
Set a maximum dimension and export resized JPG, PNG or WebP images in one ZIP.
- Keep the original proportions
- Never enlarge smaller images
- Choose format and quality
Working utility
IMAGE CONVERSION
Image Format Converter
Choose a common output format for a batch of pictures and download the converted files.
- JPG, PNG and WebP output
- Batch conversion in one ZIP
- Quality control for compressed formats
Working utility
SCREENSHOT MARKUP
Screenshot Annotator
Open a screenshot, add a mark or label, undo if needed, then save a PNG copy.
- Pen, rectangle and text tools
- Choose color and size
- Undo a mark and save PNG
Power Tools
Power Tools
Make everyday Windows tasks faster with focused, easy-to-use desktop utilities.
Working utility
WINDOWS APPLICATION LAUNCHER
Okapi Command Center V16.13
A customizable Windows application launcher with organized categories, favorites, recently used apps and automatic startup.
- Customizable application categories
- Favorites and recently used apps
- Automatic startup with Windows
Working utility
WINDOWS POWER TOOLS
Okapi PC Tools Lite
Pin windows, keep your PC awake, arrange your desktop, work with files and images, remap keys, extract text and more.
- 12 focused utilities in one launcher
- Plain-English controls and guidance
- One-time $3.99 purchase
Productivity Tools
Productivity Tools
Handle files, recording, reading and everyday computer work.
Working utility
DOCUMENTS TO MP3
AudioBook Maker Pro
Turn PDFs, Word documents, EPUB books and pasted text into audio you can listen to anywhere.
- Review your text and choose a narrator
- Download whole-document or chapter MP3s
- Free narration on your own computer
Working utility
ADAPTIVE TYPING GAME
Digit McFly
Practice exactly the keyboard sections you choose while the game learns which keys need more attention.
- Select letters, numbers, symbols or shortcuts
- Difficult combinations appear more often
- Progress stays on your computer
Working utility
DUPLICATE FILE FINDER
Dupe Deleter
Scan a folder on your computer, compare file contents and move selected duplicate copies into a local review folder.
- Compares file contents, not names
- Lets you choose which copy to keep
- Restore files moved to the review folder
Working utility
SCREEN CAPTURE & RECORDING
Okapi Capture Pro
Capture, edit, annotate and share screenshots, or record a window, one monitor or all monitors as an MP4 video.
- Screenshot or video workflows
- Window, area and multi-monitor capture
- Edit, save, copy, print and share
Pick your programs
Choose your Windows programs.
Programs are $3.99 each. Buy four or more currently available Payhip programs and save 20% on the entire order.
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Why Okapi Utilities
The program should do the explaining.
Most software has accumulated too many menus, choices and distractions. Okapi Utilities takes the opposite approach: one clear job, plain-English guidance and an interface that stays out of your way.
Current status
109 paid utilities, with more on the way.
Browse the categories above, review each paid Windows program, or preview the next Okapi release.