Use Google Drive: Upload the PDF → Open with Google Docs → Edit the text → Download as PDF
Use Microsoft Edge: Open the PDF in Edge → Use “Draw” or “Highlight” tools (annotations) → Save
Use PDF-XChange Editor (free tier): Open the PDF → Edit text (if enabled) → Save
Use LibreOffice Draw: Open the PDF in LibreOffice → Edit text/objects where supported → Export as PDF
Use Sejda (free plan): Upload PDF → Use editor tools (text, pages, annotations) → Export/Download
Use Smallpdf (free plan): Upload PDF → Use the editor tools available in the free tier → Download edited PDF
Use iLovePDF (free plan): Upload PDF → Use edit/merge/split tools available in the free tier → Download
Use PDFescape (free plan): Upload PDF → Edit pages/fields/annotations where supported → Download
Use online annotation tools: Upload PDF → Add text/stamps/highlights/signatures → Download
Use page replacement instead of full text editing: Split/reorder pages → Replace specific pages with edited versions → Reassemble into a new PDF