Coverton BlogPractical guides for your files
Choose a task, understand the settings, and check your result. These articles link directly to Coverton’s free tools.
20 guides
Reduce a photo to under 300KB
Check the upload limit, accepted formats and minimum dimensions. Renaming a file does not make it smaller.
Read the guide →ImagesPrepare product photos in several sizes
Check the destination’s image requirements and choose only the sizes you need.
Read the guide →PDFExtract text from a scanned PDF
A PDF may contain selectable text or only a picture of each page. Choose the tool that produces the result you need.
Read the guide →Tables and dataCheck CSV and Excel data before import
Keep a copy of the source and check the data before importing it into another system.
Read the guide →PDFAdd a handwritten signature to a PDF
Coverton adds a drawing of your signature to a PDF. It is not certificate signing or identity verification.
Read the guide →Documents and textCreate quotations and invoices as PDFs
Review items, quantities, prices, discount and your tax rate, then generate individual or customer-batch business PDFs.
Read the guide →ImagesConvert image formats: JPG, PNG, WebP and HEIC
Choose an image format by transparency, quality, file size and compatibility, with the limits of GIF, SVG and HEIC conversion.
Read the guide →ImagesClean image backgrounds, margins and colors
Choose background removal, transparent-margin trimming, palette extraction and icon preparation, then inspect the result.
Read the guide →PDFMerge, split and reorder PDF pages for submission
Organize PDF files with merging, extraction, rotation and blank pages, and check forms and signatures before sharing.
Read the guide →PDFPrepare PDFs for print: images, tables and page layout
Prepare image and table PDFs, review margins and page size, and understand booklet, N-up and image-compression limits.
Read the guide →PDFReview metadata, annotations and PDF changes before sharing
Check metadata, annotations, page dimensions and extracted-text changes, without confusing these tools with secure redaction.
Read the guide →Documents and textExtract and clean text from DOCX, HWPX and copied documents
Extract supported document text and clean line breaks or invisible characters while checking what formatting is lost.
Read the guide →Tables and dataMerge spreadsheet rows, compare changes or join by ID
Choose between appending rows, comparing changed records and joining by code, then check headers, keys and unmatched records.
Read the guide →Tables and dataReshape tables with column splitting, unpivot and summaries
Split columns, build display values and reshape wide tables, while preserving source fields and checking numeric summaries.
Read the guide →Tables and dataStandardize table dates and numbers, then check missing values
Set source date order and number separators before reviewing blanks and group-specific output files.
Read the guide →Tables and dataCreate personalized PDFs, barcode labels and size charts from a table
Use table rows to create personalized PDF documents, barcode and QR labels, and size-chart images. Check recipient details and print samples.
Read the guide →Tables and dataConvert CSV, JSON and XML while checking structure and types
Check table versus nested data, delimiters and quotes when converting CSV, TSV, JSONL and Markdown tables.
Read the guide →Documents and textBase64 versus OCR: encode images and text correctly
Understand why Base64 contains letters and numbers, how decoding works, and why it is neither text recognition nor encryption.
Read the guide →Files and archivesOrganize duplicates, names and ZIP files without losing originals
Review byte-identical duplicates, rename copies and understand ZIP packaging, GZIP and archive inspection.
Read the guide →Subtitles and mediaFix subtitle timing and prepare media previews
Review SRT/VTT timing and potential errors, create a reading transcript, and export video thumbnails or audio waveforms.
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