PDFLean

Sign & Forms

Fill forms, add signatures and dates, build fillable PDFs, and run a basic e-signature workflow.

Best for: Business, HR, real estate, education

How to use

  1. 1Upload the PDF to sign or fill
  2. 2Complete fields or place a signature
  3. 3Create a fillable form if needed
  4. 4Save or download the signed copy

Related tools

Local Processing (Offline Capable)
Sign PDF (Stamp)
Apply a typed or hand-drawn signature onto a PDF — basic self-signing, fully local.
Local Processing (Offline Capable)
Fill PDF Form
Auto-detect PDF interactive form (AcroForm) fields, fill text fields, checkboxes, or radio buttons, flatten, and download — runs entirely in your browser.
Local Processing (Offline Capable)
PDF Form Builder (AcroForm)
Visually design interactive PDF forms with text fields, multiline areas, checkboxes, dropdown menus, and signature placeholders; export cross-platform compatible AcroForms with one click.
Local Processing (Offline Capable)
PDF Overlay & Letterhead
Overlay or underlay official letterheads, templates and stationery onto your PDF pages with customizable opacity and page ranges. Private and fully client-side.
Local Processing (Offline Capable)
Header, Footer & Bates
Add header/footer text and Bates numbering (prefix + zero-padded numbers) to every page.

Ready when you are

Runs in your browser whenever possible — no signup needed to start.

Open Sign PDF (Stamp)

PDFLean is a productivity tool and does not provide legal, medical, regulatory, or compliance advice. Review outputs before relying on them for regulated or high-stakes decisions.