Tutorial3 min read
Convert a PNG Sequence to MP4
Load numbered PNG frames, set the source FPS and optional In/Out range, then export MP4 locally.
Guides + notes
Use the tool.Understand the result.
Task guides explain a complete job. Tool manuals describe the controls and limits. Product notes record material changes without pretending each note is a separate landing page.
Read the creator's preface →Task guides
Finish one job
Each guide starts with the expected result, then states the compatibility or device limits that can change the workflow.
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Privacy4 min read
How Local Processing Works
See what stays on your device, what can cross the network, and which browser and device limits still apply.
Tutorial6 min read
Trim Video Without Re-encoding When the Source Allows It
Check keyframes and stream compatibility before choosing a copied or precisely encoded cut.
Tutorial7 min read
Join Videos Without Re-encoding When Clips Match
Arrange clips, inspect stream compatibility, and choose a copied, partial, or fully encoded export.
Product documentation
Know the tool
These pages describe distinct products, their supported formats, useful workflows, and operational limits. Open the tool from the same page when the fit is clear.
Image Editor
Make quick image fixes in the browser: crop, resize, add borders, place text, or assemble a small collage without uploading the file.
Universal Converter
Convert images, audio, and video from one page. The controls change based on what you load, so image batches do not share the same UI as audio or video jobs.
SVG Library
Browse SVG assets, preview them, recolor them when supported, and download SVG or PNG versions from static asset pages.
Image Sequence Player
Separate and review numbered image sequences, including EXR passes, then export the active sequence as MP4, WebM, or GIF.
trimy
trimy cuts, joins, and edits video in the browser. It keeps compatible encoded packets when possible, and uses local re-encode paths for frame edits, exact cuts, or incompatible timeline sections.
Audio Editor
Trim, join, and convert audio files locally. It is meant for direct cleanup work, not a full multitrack production session.
3D Viewer
Open a 3D file, orbit around it, and check the asset quickly before moving it into a heavier toolchain.
Dated notes
What changed
Short records of meaningful product or documentation changes. They live together here because they are notes, not standalone search destinations.
Sequence Player adds multi-sequence selection and focused review controls
A mixed frame selection can now be separated into numbered sequences, while a compact viewer toolbar makes it easier to inspect frame identity, color channels, alpha, and exposure before export.
- The sequence picker appears only when more than one numbered set is detected; All sequences remains the default sequential playback mode.
- Switch between detected passes without importing the files again; frame count and range follow the active sequence.
- Inspect RGBA, individual R/G/B channels, alpha, and exposure from −2 to +2 stops.
- Sequence selection, playback details, frame context, viewer controls, and file actions share one row above the canvas.
- Channel, exposure, and background choices affect review only; they do not alter the exported frames.
trimy adds text and frame tools to clips and joined videos
The video workspace now includes local brightness, black-and-white, border, caption, and rotation controls with preview and export behavior matched to timeline scope.
- Add text, adjust brightness, switch to black and white, or add a border without leaving trimy.
- In Join, captions and shared frame adjustments apply across the complete output.
- Quick rotation follows the video clip under the playhead, so one clip can rotate without changing the others.
- Visual edits select re-encode automatically and remove incompatible output choices.
trimy unifies H.265 preview, conversion, and safer lossless cuts
H.265 sources now share a persistent preview and encode pipeline, explicit H.264/H.265 conversion keeps analyzed source settings, and lossless trims expose keyframe-safe boundaries in the timeline.
- Native playback is checked at runtime before trimy falls back to persistent offline frame preview.
- Explicit H.264 and H.265 exports preserve analyzed resolution and frame rate with source-driven bitrate selection.
- Local Kvazaar provides the H.265 encode fallback when native browser encoding is unavailable.
- Lossless ranges snap to safe keyframes; Re-encode remains the exact-cut option.
trimy export guidance now separates copy and encode paths
The trim and join documentation now explains when a stream can stay copied and when a precise or compatible result requires encoding.
- Direct-copy language is conditional on inspected stream and timeline compatibility.
- Precise cuts are separated from keyframe-aware copied cuts.
- Mixed timelines describe partial re-encode as an available path, not a guaranteed result.
Mixed-timeline documentation now states the compatibility checks
The manual now makes clear that matching extensions do not prove a safe direct join; codecs, dimensions, frame rates, audio, and timing still matter.
- Container and codec are described separately.
- Copied, partial, and full-encode outcomes are presented before export.
- The guide asks users to verify every join point and audio synchronization.
Editorial pages now lead with verifiable tasks and limits
Guides, privacy documentation, and feature manuals now distinguish instructions, product capabilities, and dated notes instead of repeating promotional landing-page copy.
- Task guides state a concrete result and source-dependent limits.
- Feature pages document distinct tools and link directly to the working interface.
- Privacy copy separates local file handling from ordinary page and analytics network requests.
Start with the result you need.
The use-case directory connects a concrete job to the tool that can perform it.