Batch HDR Converter
Run Encode, Convert, or Optimize across a whole folder
Drop in as many images as you need boosted, converted, or resized. Each one is processed by the exact same pipeline as the single-file tools — errors on one file don't stop the rest.
Open BatchLocal-first processing · No account required
The same pipeline, just queued
Batch doesn't reimplement HDR encoding, format conversion, or optimization — it queues your files and calls the exact same functions the single-image tools use, one Web Worker at a time, so behavior stays consistent whether you're processing one photo or fifty.
Built for large folders, not just a handful of files
Live per-file status, cooperative cancellation, and a real streamed ZIP download mean you can queue up a genuinely large batch without the tab locking up or losing partial progress if you need to stop early.
Questions people actually ask
Is this a separate, simplified version of the encoder or converter?
No — each file in the queue is processed by a dedicated Web Worker calling the identical functions the single-file Encode and Convert tools call. There's one real pipeline, not a lighter batch-only reimplementation that could behave differently.
What happens if one file in a large batch fails?
It doesn't stop the rest. Results stream back as each file finishes, so the queue's status updates live rather than waiting silently for the whole batch, and a single bad file just gets flagged while everything else keeps processing.
How do I get the results out?
Everything that succeeds gets packed into a real ZIP archive — built with an actual CRC-32 checksum table and DEFLATE compression through the browser's native compression support, not a placeholder or fake .zip wrapper around uncompressed data.
Can I cancel partway through a large batch?
Yes, and it's cooperative rather than immediate — the file currently being processed finishes first, then the queue stops, so you never lose a result that was already most of the way done.