PDF Form Flattener
Flatten PDF form fields and annotations into static content so they can't be edited. Locks form values, prevents further edits, and 10+ extras. 100% private.
About PDF Form Flattener
Flatten PDF form fields and annotations into static content so they can't be edited. Locks form values, prevents further edits, and 10+ extras. 100% private. Everything runs locally in your browser — your data never leaves your device.
How to use
- Enter your input in the tool above.
- Adjust any options to your preference.
- Use the Copy or Download buttons to save the result.
- Everything happens locally — your data never leaves your browser.
FAQ
What does flattening do?
Flattening converts interactive form fields (AcroForm / XFA) and annotations into static PDF content. The visual appearance is preserved, but users can no longer click/edit/type into the fields. Common for signed forms, final submissions, and read-only distribution.
What extras does this tool have?
Extras: (1) Flatten form fields, (2) Flatten annotations, (3) Flatten only specific field types, (4) Set field values before flattening, (5) Preserve or strip XFA, (6) Add password protection, (7) Set PDF permissions (no-edit, no-print), (8) Compress output, (9) Show field inventory before flattening, (10) Batch multiple PDFs, (11) Download flattened PDF, (12) Show before/after size, (13) Set PDF metadata (Title/Author), (14) Generate flattening report CSV.
Related tools
7Z Extractor
Inspect and extract files from 7z archives. Detects the 7z signature (0x37 0x7A 0xBC 0xAF 0x27 0x1C), parses the SignatureHeader and StartHeader, lists files from the archive metadata, and extracts STORE-method files when possible. Honest about LZMA compression limitations. 100% client-side.
APK Extractor
Extract and inspect Android APK files in the browser — pure JavaScript APK (ZIP) parser. View AndroidManifest.xml (binary XML detection), list DEX files, resources, and assets, extract individual files, detect app info (package name, version) from manifest. 100% client-side.
ARJ Extractor
Inspect ARJ archives. Detects the ARJ magic (0x60 0xEA), parses header structures, lists file entries with sizes and CRCs, and extracts STORE-method files when possible. Honest about ARJ compression limitations. 100% client-side.