FREE TOOLS

Free Streaming & OTT Tools

Free, no-login calculators and validators for encoding, captions, ad ops, and OTT cost planning - built by the OTT Engine team.

STREAMING

HLS / DASH / m3u8 Stream Tester & Player

Paste an m3u8 or mpd URL, play it in your browser, and see variants, codecs, bitrates, and errors.
PLANNING

OTT Platform Cost Calculator & Plan Estimator

Estimate your monthly OTT Engine cost with overages and add-ons. Get the right plan in 30 seconds.
ENCODING

Video Bitrate Calculator

Recommended bitrate, file size, and bandwidth for any resolution, frame rate, and codec - H.264, HEVC, AV1.
CAPTIONS

Subtitle & Caption Converter

Convert SRT to VTT, TTML, and back. Apply time offsets and catch overlapping cues. Files never leave your browser.
STREAMING

HLS & DASH Manifest Inspector

Paste an m3u8 or mpd manifest and get a structured breakdown - variants, codecs, segments, encryption.
ENCODING

ABR Encoding Ladder Generator

Generate a complete adaptive-bitrate ladder for HLS / DASH with copy-paste STREAM-INF lines and JSON export.
AD OPS

SCTE-35 Decoder

Decode a base64 or hex SCTE-35 splice info cue into a human-readable structure with descriptor names.
AD OPS

VAST / VMAP Tag Builder & Validator

Build a VAST or VMAP tag from a form, or lint a pasted tag for spec-required elements and well-formed XML.
PRODUCTION

Timecode & Frame Calculator

Convert between SMPTE timecode, frames, and seconds with proper drop-frame and non-drop-frame handling.

Building a streaming service?

OTT Engine automates encoding, packaging, captions, ad insertion, and FAST-channel delivery across Roku, Fire TV, and Apple TV - so you do not have to wire it together yourself.

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