Type, draw, or upload your signature to place on pages.
Encrypt a PDF with user and owner passwords.
Decrypt and remove passwords from locked PDF files.
Merge fillable PDF forms and annotations into page layers.
1,100+ browser utilities for files, images, text, data, and more.
Practical tutorials, comparisons, and productivity explainers.
Remove password protection from PDF files securely and efficiently.
Remove passwords from protected PDF files instantly and 100% locally in your browser. No data is ever uploaded to any server.
Inspect local PDF signature dictionaries, validate bounded ByteRange coverage, and hash the exact signed bytes without claiming certificate or CMS…
Compare a local file's leading magic bytes with its extension and browser-reported MIME type without uploading the file.
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