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This is an editorial shortlist ordered for readability, not a universal ranking — the right tool depends on whether your task is a plain conversion, a PDF workflow, real editing, or an AI effect. Scroll the table horizontally on small screens.
| Service | Type | Best for | Conversion | PDF workflow | Full editing | AI editing | Processing | Account considerations | Free-access notes |
|---|---|---|---|---|---|---|---|---|---|
| CloudConvert | Converter | One-off conversions of uncommon or professional formats (RAW, PSD, vector) that many mainstream converters don't touch. | Any-to-any, broad | Via conversion only | No | No | Uploaded (cloud) | Sign-in optional for basics | Usage-based; limits vary — check current plan |
| Convertio | Converter | Quick, no-account format conversion, including pulling source images directly from cloud storage or a URL. | Broad format list | Via conversion only | No | No | Uploaded (cloud) | Not required for basics | Free path exists; size/retention limits vary |
| FreeConvert | Converter | Converting camera RAW files, or combining a quick resize/crop/compression step with a format conversion in one place. | Broad, strong RAW | Via conversion only | Basic (resize/crop) | No | Uploaded (cloud) | Not required for basics | Free path exists; account unlocks more |
| iLovePDF | PDF Suite | Anyone whose image-conversion need is really a PDF task — building a PDF from photos, extracting images from a PDF, or compressing a PDF that contains images. | Via PDF tools | Full suite | Basic (PDF annotate) | Limited (summarize/translate) | Uploaded, or offline desktop app | Not required for core tools | Core tools free; Premium adds offline/OCR/e-sign |
| Smallpdf | PDF Suite | PDF-centric work — building a PDF out of photos, converting a PDF back to images, or handling the rest of a document workflow (signing, compressing, converting to Word/Excel) in the same tool. | Via PDF tools | Full suite | Basic (PDF annotate) | Limited (assistant/summarizer) | Uploaded (cloud) | Trial or free tier; Pro for full access | Free trial, then capped free tier |
| Photopea | Editor | Anyone who needs proper layer-based editing (including opening real PSD files) without installing desktop software. | Basic export formats | Opens/exports PDF | Yes — layers, masks | No | Local (device) | Not required | Full toolkit free |
| Pixlr | AI Editor | Quick AI-assisted edits — background/object removal, generative fill, face-swap — without installing dedicated AI photo software. | Basic export formats | No | Yes — retouching | Yes — extensive | Uploaded (cloud) | Optional; unlocks more | Free tier with ads; AI usage is credit-based |
| Fotor | AI Editor | One-off AI edits — old photo restoration, background removal, style transformation — without needing manual retouching skill. | Basic export formats | No | Basic–moderate | Yes — extensive | Uploaded (cloud) | Required | Core AI tools free; batch/hi-res are paid |
| Adobe Express | Editor | People already designing graphics, thumbnails, or social posts in Adobe Express who also need a quick format change without switching tools. | Basic (feature page) | Limited | Yes — design-focused | Some (Adobe AI features) | Uploaded, account-tied | Adobe account needed to save/export | Free tier; premium templates/assets paid |
| Canva | Editor | Users who are already building graphics, presentations, or social content in Canva and want to export or convert an asset without leaving the platform. | Basic export formats | Limited (export to PDF) | Yes — design-focused | Some (Canva AI features) | Uploaded, account-tied | Canva account required | Large free tier; Pro adds assets/exports |
Account and free-access details change over time — treat this table as a starting point and confirm current terms on each provider's own site before relying on a specific limit.