File Manipulation APIs.
File manipulation APIs change a document without changing its format — merge, split, compress, watermark, reorder, stamp. The operations a document workflow needs constantly and that every language implements slightly differently.
Also called a PDF API, document processing API or file processing API74 services in this categoryFile Manipulation APIs
74 servicesConvert Word to PDF Job API
Convert .docx, .doc, .rtf, and .odt files to PDF and track each job by status and progress. Built for batch document workflows and downloads.
FlowDocsVerifiedHosted on ApyHubConvert Document with LibreOffice API
Convert uploaded office documents to PDF, DOCX, TXT, and other formats. Returns the converted file as binary output for downstream workflows.
Dosvak LLCConvert URL/HTML to PDF API
Generate a PDF from HTML or a public URL, choose A4, Letter, or Legal, and merge additional PDF URLs into the final output.
Dosvak LLCMerge Multiple Documents to PDF API
Combine two or more uploaded PDFs into a single binary file. Built for bundling reports, invoices, contracts, or scanned pages into one document.
Dosvak LLCExtract Head Region from Image API
Extract the head and shoulders from a portrait image and get a transparent image back. Built for avatars, profile photos, and photo cutouts.
Dosvak LLCExtract Invisible Text Watermark from Image API
Extract hidden text from watermarked PNG images. Returns the decoded text and bytes processed for asset review, provenance checks, or forensics.
Dosvak LLCApply Invisible Text Watermark on Image API
Embed an invisible text watermark in an image and get the processed file back. Track asset ownership without changing how the image looks.
Dosvak LLCExtract Hair Region from Image API
Extract the hair region from a portrait image and return a transparent binary image. Built for avatar creation, retouching, and compositing.
Dosvak LLCApply Style Filters on Image API
Turn any uploaded image into a painting, watercolor, sketch, or oil version. Adjust style strength from 0 to 1 and get a stylized image back.
Dosvak LLCChange Image Aspect Ratio API
Restore a stretched image to a target aspect ratio. Send an image file and get corrected binary output back for cleanup and publishing workflows.
Dosvak LLCExtract Invisible Watermark from Image API
Extract an invisible watermark from a watermarked PNG up to 20 MB. Returns the recovered result as binary data for provenance and asset checks.
Dosvak LLCApply Invisible Watermark on Image API
Embed a hidden watermark into an image using a source file and a watermark image. Returns the processed image as binary output for tracking.
Dosvak LLCWhich File Manipulation API do you need?
The question you arrived with, and the endpoint that answers it.