Syllabuild PDF Editor by MTBcustoms
πŸ”’ Private editing β€” your PDF stays in your browser. No document open

Edit PDFs directly in your browser

Add text, drawings, highlights, shapes, images, signatures, and reorganize pages without uploading your file.

or drag and drop a PDF here
Best with current Chrome, Edge, Firefox, or Safari.
SAVE / EXPORT

Save or export

Choose a file name and format. PDF keeps the PDF format; Word DOCX preserves the page appearance.

PDF Editor Help

Edit existing text

No special text mode is required. Existing PDF words are detected automatically. Click a word on the page to edit that word. Double-click any detected word to select and edit the surrounding paragraph. Scanned pages are recognized automatically with OCR. Adjust the Cover color when the page background is not white.

Annotations

Choose a tool, then click or drag on the page. Use Select to move or resize items. Check and X tools remember their last size and thickness.

Pages

Drag thumbnails to reorder. Rotate, duplicate, delete, insert blank pages, or merge another PDF.

Save / Export

Click Save and select PDF or DOCX. On supported desktop browsers, choose where to save using your system file picker. Otherwise check your browser Downloads after confirming. Edited original-text pages are flattened; other PDF pages remain vector pages. DOCX preserves the appearance as images.

Signatures

Draw a signature or type one using the included script/cursive styles, then place and resize it on the page.

Shortcuts

Delete remove selected · Ctrl/⌘ Z undo · Ctrl/⌘ Shift Z redo · Ctrl/⌘ S export.

Privacy

Files are processed on this device. OCR downloads its engine/language data when needed, but your PDF page is not uploaded for recognition.

Text-edit limitation

Existing text is removed visually from the rendered page, then replacements are drawn on top. Edited pages are flattened when exported. This is not a secure redaction tool; check any document containing sensitive information carefully before sharing.

Help us improve

Found a problem or have an idea? Choose a feedback topic, including Other, and review the email before sending it.

Help us improve

Create signature

Recover your last session?

A locally saved PDF editing session was found on this device.