Compress an image to a file-size limit
Reduce a photo for an upload limit with Image Studio: choose dimensions, output format and a target size, then check the finished file.
qpkit
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Guides
All 18 guidesMerge, reorder and split PDF pages
Assemble a PDF from documents and images, reorder pages, and split the result with qpkit PDF Toolkit.
Create SRT or VTT subtitles
Transcribe English video locally with Whisper, correct caption words and timing, and export SRT or WebVTT in qpkit Subtitle Studio.
Trim an MP3
Cut silence or an unwanted section, add a short fade, and export MP3 or WAV with Audio Trimmer.
Transcribe a meeting with speaker labels
Turn an English recording into speaker-labeled text, check the names and wording, and download meeting notes.
Make a QR code with a logo
Choose the right QR content, customize its appearance, and test the exported code at its real display or print size.
Convert HEIC photos to JPG
Convert one HEIC photo or a batch to JPG with qpkit File Converter, then check orientation, quality and upload compatibility.
Review a chess game
Import a game, inspect the key positions with Stockfish, and use drills from your own mistakes to focus the next session.