Smallpdf

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Online PDF tool suite with 25+ tools used by 50+ million users monthly for compressing, converting, editing, and signing PDF files. Supports conversion between PDF and Word, Excel, PowerPoint, JPG.

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https://smallpdf.comapikeyproductivityconfidence: 70/1000 discoveries1 contributors

POST/api/v1/compress

Compress a PDF file

Parameters

filePDF file upload (filerequired

compression_levelstrong|medium|low (stringoptional

Returns

output{download_url, original_size_bytes, compressed_size_bytes, compression_ratio}

POST/api/v1/convert

Convert PDF to or from other formats

Parameters

filefile upload (filerequired

output_formatword|excel|ppt|jpg|png (stringrequired

Returns

output{download_url, pages, format, size_bytes}

POST/api/v1/merge

Merge multiple PDF files

Parameters

filesPDF files array (arrayrequired

Returns

output{download_url, pages_total, size_bytes}